Home / 21,545.88-32,327.10-8,407.56

Finding the Fourth Proportional to 21,545.88, 32,327.10 and 8,407.56

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Solution

The fourth proportional to 21,545.88, 32,327.10 and 8,407.56 is: 12,614.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,545.88 : 32,327.10 = 8,407.56 : x
  2. Step 2: Convert to fraction form
    21,545.88/32,327.10 = 8,407.56/x
  3. Step 3: Cross multiply
    21,545.88x = 32,327.10 × 8,407.56
  4. Step 4: Simplify right side
    21,545.88x = 271,792,032.88
  5. Step 5: Solve for x
    x = 271,792,032.88/21,545.88
  6. Step 6: Final answer
    x = 12,614.57

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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.