Home / 31,988.27-47,982.40-16,395.95

Finding the Fourth Proportional to 31,988.27, 47,982.40 and 16,395.95

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Solution

The fourth proportional to 31,988.27, 47,982.40 and 16,395.95 is: 24,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,988.27 : 47,982.40 = 16,395.95 : x
  2. Step 2: Convert to fraction form
    31,988.27/47,982.40 = 16,395.95/x
  3. Step 3: Cross multiply
    31,988.27x = 47,982.40 × 16,395.95
  4. Step 4: Simplify right side
    31,988.27x = 786,716,750.38
  5. Step 5: Solve for x
    x = 786,716,750.38/31,988.27
  6. Step 6: Final answer
    x = 24,593.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.