Home / 21,587.28-32,381.04-6,006.12

Finding the Fourth Proportional to 21,587.28, 32,381.04 and 6,006.12

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Solution

The fourth proportional to 21,587.28, 32,381.04 and 6,006.12 is: 9,009.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.28 : 32,381.04 = 6,006.12 : x
  2. Step 2: Convert to fraction form
    21,587.28/32,381.04 = 6,006.12/x
  3. Step 3: Cross multiply
    21,587.28x = 32,381.04 × 6,006.12
  4. Step 4: Simplify right side
    21,587.28x = 194,484,411.96
  5. Step 5: Solve for x
    x = 194,484,411.96/21,587.28
  6. Step 6: Final answer
    x = 9,009.21

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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.