Home / 28,052.54-38,710.83-15,477.26

Finding the Fourth Proportional to 28,052.54, 38,710.83 and 15,477.26

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Solution

The fourth proportional to 28,052.54, 38,710.83 and 15,477.26 is: 21,357.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052.54 : 38,710.83 = 15,477.26 : x
  2. Step 2: Convert to fraction form
    28,052.54/38,710.83 = 15,477.26/x
  3. Step 3: Cross multiply
    28,052.54x = 38,710.83 × 15,477.26
  4. Step 4: Simplify right side
    28,052.54x = 599,137,580.73
  5. Step 5: Solve for x
    x = 599,137,580.73/28,052.54
  6. Step 6: Final answer
    x = 21,357.69

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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.