Home / 29,371-40,531.66-15,942.73

Finding the Fourth Proportional to 29,371, 40,531.66 and 15,942.73

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Solution

The fourth proportional to 29,371, 40,531.66 and 15,942.73 is: 22,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371 : 40,531.66 = 15,942.73 : x
  2. Step 2: Convert to fraction form
    29,371/40,531.66 = 15,942.73/x
  3. Step 3: Cross multiply
    29,371x = 40,531.66 × 15,942.73
  4. Step 4: Simplify right side
    29,371x = 646,185,311.83
  5. Step 5: Solve for x
    x = 646,185,311.83/29,371
  6. Step 6: Final answer
    x = 22,000.79

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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.