Home / 29,376.80-40,540.30-15,948.18

Finding the Fourth Proportional to 29,376.80, 40,540.30 and 15,948.18

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Solution

The fourth proportional to 29,376.80, 40,540.30 and 15,948.18 is: 22,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,376.80 : 40,540.30 = 15,948.18 : x
  2. Step 2: Convert to fraction form
    29,376.80/40,540.30 = 15,948.18/x
  3. Step 3: Cross multiply
    29,376.80x = 40,540.30 × 15,948.18
  4. Step 4: Simplify right side
    29,376.80x = 646,544,001.65
  5. Step 5: Solve for x
    x = 646,544,001.65/29,376.80
  6. Step 6: Final answer
    x = 22,008.66

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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.