Home / 28,182.93-42,207.29-16,311.71

Finding the Fourth Proportional to 28,182.93, 42,207.29 and 16,311.71

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Solution

The fourth proportional to 28,182.93, 42,207.29 and 16,311.71 is: 24,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,182.93 : 42,207.29 = 16,311.71 : x
  2. Step 2: Convert to fraction form
    28,182.93/42,207.29 = 16,311.71/x
  3. Step 3: Cross multiply
    28,182.93x = 42,207.29 × 16,311.71
  4. Step 4: Simplify right side
    28,182.93x = 688,472,904.11
  5. Step 5: Solve for x
    x = 688,472,904.11/28,182.93
  6. Step 6: Final answer
    x = 24,428.72

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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.