Home / 28,934.52-39,930.48-16,359

Finding the Fourth Proportional to 28,934.52, 39,930.48 and 16,359

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Solution

The fourth proportional to 28,934.52, 39,930.48 and 16,359 is: 22,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,934.52 : 39,930.48 = 16,359 : x
  2. Step 2: Convert to fraction form
    28,934.52/39,930.48 = 16,359/x
  3. Step 3: Cross multiply
    28,934.52x = 39,930.48 × 16,359
  4. Step 4: Simplify right side
    28,934.52x = 653,222,722.32
  5. Step 5: Solve for x
    x = 653,222,722.32/28,934.52
  6. Step 6: Final answer
    x = 22,575.90

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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.