Home / 21,591.60-29,795.40-14,516.88

Finding the Fourth Proportional to 21,591.60, 29,795.40 and 14,516.88

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Solution

The fourth proportional to 21,591.60, 29,795.40 and 14,516.88 is: 20,032.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.60 : 29,795.40 = 14,516.88 : x
  2. Step 2: Convert to fraction form
    21,591.60/29,795.40 = 14,516.88/x
  3. Step 3: Cross multiply
    21,591.60x = 29,795.40 × 14,516.88
  4. Step 4: Simplify right side
    21,591.60x = 432,536,246.35
  5. Step 5: Solve for x
    x = 432,536,246.35/21,591.60
  6. Step 6: Final answer
    x = 20,032.62

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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.