Home / 29,371.40-40,532.58-15,942.66

Finding the Fourth Proportional to 29,371.40, 40,532.58 and 15,942.66

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Solution

The fourth proportional to 29,371.40, 40,532.58 and 15,942.66 is: 22,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,371.40 : 40,532.58 = 15,942.66 : x
  2. Step 2: Convert to fraction form
    29,371.40/40,532.58 = 15,942.66/x
  3. Step 3: Cross multiply
    29,371.40x = 40,532.58 × 15,942.66
  4. Step 4: Simplify right side
    29,371.40x = 646,197,141.86
  5. Step 5: Solve for x
    x = 646,197,141.86/29,371.40
  6. Step 6: Final answer
    x = 22,000.89

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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.