Home / 28,050.72-38,710.44-15,475.48

Finding the Fourth Proportional to 28,050.72, 38,710.44 and 15,475.48

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Solution

The fourth proportional to 28,050.72, 38,710.44 and 15,475.48 is: 21,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,050.72 : 38,710.44 = 15,475.48 : x
  2. Step 2: Convert to fraction form
    28,050.72/38,710.44 = 15,475.48/x
  3. Step 3: Cross multiply
    28,050.72x = 38,710.44 × 15,475.48
  4. Step 4: Simplify right side
    28,050.72x = 599,062,640.01
  5. Step 5: Solve for x
    x = 599,062,640.01/28,050.72
  6. Step 6: Final answer
    x = 21,356.41

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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.