Home / 42,387.52-58,502.85-28,047.64

Finding the Fourth Proportional to 42,387.52, 58,502.85 and 28,047.64

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Solution

The fourth proportional to 42,387.52, 58,502.85 and 28,047.64 is: 38,711.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.52 : 58,502.85 = 28,047.64 : x
  2. Step 2: Convert to fraction form
    42,387.52/58,502.85 = 28,047.64/x
  3. Step 3: Cross multiply
    42,387.52x = 58,502.85 × 28,047.64
  4. Step 4: Simplify right side
    42,387.52x = 1,640,866,875.77
  5. Step 5: Solve for x
    x = 1,640,866,875.77/42,387.52
  6. Step 6: Final answer
    x = 38,711.08

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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.