Home / 47,400.28-65,425.84-28,037.13

Finding the Fourth Proportional to 47,400.28, 65,425.84 and 28,037.13

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Solution

The fourth proportional to 47,400.28, 65,425.84 and 28,037.13 is: 38,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.28 : 65,425.84 = 28,037.13 : x
  2. Step 2: Convert to fraction form
    47,400.28/65,425.84 = 28,037.13/x
  3. Step 3: Cross multiply
    47,400.28x = 65,425.84 × 28,037.13
  4. Step 4: Simplify right side
    47,400.28x = 1,834,352,781.44
  5. Step 5: Solve for x
    x = 1,834,352,781.44/47,400.28
  6. Step 6: Final answer
    x = 38,699.20

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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.