Home / 28,050.96-38,710.14-15,475.68

Finding the Fourth Proportional to 28,050.96, 38,710.14 and 15,475.68

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Solution

The fourth proportional to 28,050.96, 38,710.14 and 15,475.68 is: 21,356.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.96 : 38,710.14 = 15,475.68 : x
  2. Step 2: Convert to fraction form
    28,050.96/38,710.14 = 15,475.68/x
  3. Step 3: Cross multiply
    28,050.96x = 38,710.14 × 15,475.68
  4. Step 4: Simplify right side
    28,050.96x = 599,065,739.40
  5. Step 5: Solve for x
    x = 599,065,739.40/28,050.96
  6. Step 6: Final answer
    x = 21,356.34

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Half scale
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Double scale
Find fourth proportional to 28,051.96, 38,711.52 and 15,476.68
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.