Home / 42,015.24-57,962.14-28,398.92

Finding the Fourth Proportional to 42,015.24, 57,962.14 and 28,398.92

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Solution

The fourth proportional to 42,015.24, 57,962.14 and 28,398.92 is: 39,177.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.24 : 57,962.14 = 28,398.92 : x
  2. Step 2: Convert to fraction form
    42,015.24/57,962.14 = 28,398.92/x
  3. Step 3: Cross multiply
    42,015.24x = 57,962.14 × 28,398.92
  4. Step 4: Simplify right side
    42,015.24x = 1,646,062,176.89
  5. Step 5: Solve for x
    x = 1,646,062,176.89/42,015.24
  6. Step 6: Final answer
    x = 39,177.74

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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.