Home / 29,660.28-40,931.84-16,231.53

Finding the Fourth Proportional to 29,660.28, 40,931.84 and 16,231.53

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Solution

The fourth proportional to 29,660.28, 40,931.84 and 16,231.53 is: 22,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,660.28 : 40,931.84 = 16,231.53 : x
  2. Step 2: Convert to fraction form
    29,660.28/40,931.84 = 16,231.53/x
  3. Step 3: Cross multiply
    29,660.28x = 40,931.84 × 16,231.53
  4. Step 4: Simplify right side
    29,660.28x = 664,386,307.76
  5. Step 5: Solve for x
    x = 664,386,307.76/29,660.28
  6. Step 6: Final answer
    x = 22,399.87

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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.