Home / 21,681.28-32,527.32-10,002.70

Finding the Fourth Proportional to 21,681.28, 32,527.32 and 10,002.70

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Solution

The fourth proportional to 21,681.28, 32,527.32 and 10,002.70 is: 15,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.28 : 32,527.32 = 10,002.70 : x
  2. Step 2: Convert to fraction form
    21,681.28/32,527.32 = 10,002.70/x
  3. Step 3: Cross multiply
    21,681.28x = 32,527.32 × 10,002.70
  4. Step 4: Simplify right side
    21,681.28x = 325,361,023.76
  5. Step 5: Solve for x
    x = 325,361,023.76/21,681.28
  6. Step 6: Final answer
    x = 15,006.54

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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.