Home / 21,657.76-29,882.54-14,941.24

Finding the Fourth Proportional to 21,657.76, 29,882.54 and 14,941.24

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Solution

The fourth proportional to 21,657.76, 29,882.54 and 14,941.24 is: 20,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.76 : 29,882.54 = 14,941.24 : x
  2. Step 2: Convert to fraction form
    21,657.76/29,882.54 = 14,941.24/x
  3. Step 3: Cross multiply
    21,657.76x = 29,882.54 × 14,941.24
  4. Step 4: Simplify right side
    21,657.76x = 446,482,201.95
  5. Step 5: Solve for x
    x = 446,482,201.95/21,657.76
  6. Step 6: Final answer
    x = 20,615.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.