Home / 21,527.80-32,274.40-12,162.04

Finding the Fourth Proportional to 21,527.80, 32,274.40 and 12,162.04

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Solution

The fourth proportional to 21,527.80, 32,274.40 and 12,162.04 is: 18,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,527.80 : 32,274.40 = 12,162.04 : x
  2. Step 2: Convert to fraction form
    21,527.80/32,274.40 = 12,162.04/x
  3. Step 3: Cross multiply
    21,527.80x = 32,274.40 × 12,162.04
  4. Step 4: Simplify right side
    21,527.80x = 392,522,543.78
  5. Step 5: Solve for x
    x = 392,522,543.78/21,527.80
  6. Step 6: Final answer
    x = 18,233.29

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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.