Home / 29,193.98-40,279.35-16,442.70

Finding the Fourth Proportional to 29,193.98, 40,279.35 and 16,442.70

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Solution

The fourth proportional to 29,193.98, 40,279.35 and 16,442.70 is: 22,686.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.98 : 40,279.35 = 16,442.70 : x
  2. Step 2: Convert to fraction form
    29,193.98/40,279.35 = 16,442.70/x
  3. Step 3: Cross multiply
    29,193.98x = 40,279.35 × 16,442.70
  4. Step 4: Simplify right side
    29,193.98x = 662,301,066.85
  5. Step 5: Solve for x
    x = 662,301,066.85/29,193.98
  6. Step 6: Final answer
    x = 22,686.22

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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.