Home / 29,270.65-40,393.59-15,841.90

Finding the Fourth Proportional to 29,270.65, 40,393.59 and 15,841.90

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Solution

The fourth proportional to 29,270.65, 40,393.59 and 15,841.90 is: 21,861.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,270.65 : 40,393.59 = 15,841.90 : x
  2. Step 2: Convert to fraction form
    29,270.65/40,393.59 = 15,841.90/x
  3. Step 3: Cross multiply
    29,270.65x = 40,393.59 × 15,841.90
  4. Step 4: Simplify right side
    29,270.65x = 639,911,213.42
  5. Step 5: Solve for x
    x = 639,911,213.42/29,270.65
  6. Step 6: Final answer
    x = 21,861.87

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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.