Home / 29,305.80-40,432.12-16,557.20

Finding the Fourth Proportional to 29,305.80, 40,432.12 and 16,557.20

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Solution

The fourth proportional to 29,305.80, 40,432.12 and 16,557.20 is: 22,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,305.80 : 40,432.12 = 16,557.20 : x
  2. Step 2: Convert to fraction form
    29,305.80/40,432.12 = 16,557.20/x
  3. Step 3: Cross multiply
    29,305.80x = 40,432.12 × 16,557.20
  4. Step 4: Simplify right side
    29,305.80x = 669,442,697.26
  5. Step 5: Solve for x
    x = 669,442,697.26/29,305.80
  6. Step 6: Final answer
    x = 22,843.35

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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.