Home / 21,332.40-32,002.38-10,231.62

Finding the Fourth Proportional to 21,332.40, 32,002.38 and 10,231.62

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Solution

The fourth proportional to 21,332.40, 32,002.38 and 10,231.62 is: 15,349.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332.40 : 32,002.38 = 10,231.62 : x
  2. Step 2: Convert to fraction form
    21,332.40/32,002.38 = 10,231.62/x
  3. Step 3: Cross multiply
    21,332.40x = 32,002.38 × 10,231.62
  4. Step 4: Simplify right side
    21,332.40x = 327,436,191.26
  5. Step 5: Solve for x
    x = 327,436,191.26/21,332.40
  6. Step 6: Final answer
    x = 15,349.24

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1.5x scale

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.