Home / 29,363.52-40,521.96-15,934.89

Finding the Fourth Proportional to 29,363.52, 40,521.96 and 15,934.89

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Solution

The fourth proportional to 29,363.52, 40,521.96 and 15,934.89 is: 21,990.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,363.52 : 40,521.96 = 15,934.89 : x
  2. Step 2: Convert to fraction form
    29,363.52/40,521.96 = 15,934.89/x
  3. Step 3: Cross multiply
    29,363.52x = 40,521.96 × 15,934.89
  4. Step 4: Simplify right side
    29,363.52x = 645,713,127.14
  5. Step 5: Solve for x
    x = 645,713,127.14/29,363.52
  6. Step 6: Final answer
    x = 21,990.31

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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.