Home / 29,215.20-40,310.96-17,278.88

Finding the Fourth Proportional to 29,215.20, 40,310.96 and 17,278.88

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Solution

The fourth proportional to 29,215.20, 40,310.96 and 17,278.88 is: 23,841.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,215.20 : 40,310.96 = 17,278.88 : x
  2. Step 2: Convert to fraction form
    29,215.20/40,310.96 = 17,278.88/x
  3. Step 3: Cross multiply
    29,215.20x = 40,310.96 × 17,278.88
  4. Step 4: Simplify right side
    29,215.20x = 696,528,240.52
  5. Step 5: Solve for x
    x = 696,528,240.52/29,215.20
  6. Step 6: Final answer
    x = 23,841.30

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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.