Home / 28,381.16-42,576.91-11,732.15

Finding the Fourth Proportional to 28,381.16, 42,576.91 and 11,732.15

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Solution

The fourth proportional to 28,381.16, 42,576.91 and 11,732.15 is: 17,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,381.16 : 42,576.91 = 11,732.15 : x
  2. Step 2: Convert to fraction form
    28,381.16/42,576.91 = 11,732.15/x
  3. Step 3: Cross multiply
    28,381.16x = 42,576.91 × 11,732.15
  4. Step 4: Simplify right side
    28,381.16x = 499,518,771.77
  5. Step 5: Solve for x
    x = 499,518,771.77/28,381.16
  6. Step 6: Final answer
    x = 17,600.36

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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.