Home / 21,655.17-32,490.59-8,500.23

Finding the Fourth Proportional to 21,655.17, 32,490.59 and 8,500.23

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Solution

The fourth proportional to 21,655.17, 32,490.59 and 8,500.23 is: 12,753.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,655.17 : 32,490.59 = 8,500.23 : x
  2. Step 2: Convert to fraction form
    21,655.17/32,490.59 = 8,500.23/x
  3. Step 3: Cross multiply
    21,655.17x = 32,490.59 × 8,500.23
  4. Step 4: Simplify right side
    21,655.17x = 276,177,445.33
  5. Step 5: Solve for x
    x = 276,177,445.33/21,655.17
  6. Step 6: Final answer
    x = 12,753.42

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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.