Home / 21,587.85-32,334.90-10,471.17

Finding the Fourth Proportional to 21,587.85, 32,334.90 and 10,471.17

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Solution

The fourth proportional to 21,587.85, 32,334.90 and 10,471.17 is: 15,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,587.85 : 32,334.90 = 10,471.17 : x
  2. Step 2: Convert to fraction form
    21,587.85/32,334.90 = 10,471.17/x
  3. Step 3: Cross multiply
    21,587.85x = 32,334.90 × 10,471.17
  4. Step 4: Simplify right side
    21,587.85x = 338,584,234.83
  5. Step 5: Solve for x
    x = 338,584,234.83/21,587.85
  6. Step 6: Final answer
    x = 15,684.02

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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.