Home / 20,332.38-30,473.06-10,972.02

Finding the Fourth Proportional to 20,332.38, 30,473.06 and 10,972.02

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Solution

The fourth proportional to 20,332.38, 30,473.06 and 10,972.02 is: 16,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,332.38 : 30,473.06 = 10,972.02 : x
  2. Step 2: Convert to fraction form
    20,332.38/30,473.06 = 10,972.02/x
  3. Step 3: Cross multiply
    20,332.38x = 30,473.06 × 10,972.02
  4. Step 4: Simplify right side
    20,332.38x = 334,351,023.78
  5. Step 5: Solve for x
    x = 334,351,023.78/20,332.38
  6. Step 6: Final answer
    x = 16,444.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.