Home / 40,272.20-60,437.10-16,915.40

Finding the Fourth Proportional to 40,272.20, 60,437.10 and 16,915.40

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Solution

The fourth proportional to 40,272.20, 60,437.10 and 16,915.40 is: 25,385.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.20 : 60,437.10 = 16,915.40 : x
  2. Step 2: Convert to fraction form
    40,272.20/60,437.10 = 16,915.40/x
  3. Step 3: Cross multiply
    40,272.20x = 60,437.10 × 16,915.40
  4. Step 4: Simplify right side
    40,272.20x = 1,022,317,721.34
  5. Step 5: Solve for x
    x = 1,022,317,721.34/40,272.20
  6. Step 6: Final answer
    x = 25,385.20

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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.