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Finding the Fourth Proportional to 16,580.80, 24,871.20 and 16,307.43

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Solution

The fourth proportional to 16,580.80, 24,871.20 and 16,307.43 is: 24,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,580.80 : 24,871.20 = 16,307.43 : x
  2. Step 2: Convert to fraction form
    16,580.80/24,871.20 = 16,307.43/x
  3. Step 3: Cross multiply
    16,580.80x = 24,871.20 × 16,307.43
  4. Step 4: Simplify right side
    16,580.80x = 405,585,353.02
  5. Step 5: Solve for x
    x = 405,585,353.02/16,580.80
  6. Step 6: Final answer
    x = 24,461.15

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Similar ratio
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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.