Home / 21,763.62-32,497.47-20,531.64

Finding the Fourth Proportional to 21,763.62, 32,497.47 and 20,531.64

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Solution

The fourth proportional to 21,763.62, 32,497.47 and 20,531.64 is: 30,657.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.62 : 32,497.47 = 20,531.64 : x
  2. Step 2: Convert to fraction form
    21,763.62/32,497.47 = 20,531.64/x
  3. Step 3: Cross multiply
    21,763.62x = 32,497.47 × 20,531.64
  4. Step 4: Simplify right side
    21,763.62x = 667,226,354.95
  5. Step 5: Solve for x
    x = 667,226,354.95/21,763.62
  6. Step 6: Final answer
    x = 30,657.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.