Home / 27,569.46-41,358.29-12,779.87

Finding the Fourth Proportional to 27,569.46, 41,358.29 and 12,779.87

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Solution

The fourth proportional to 27,569.46, 41,358.29 and 12,779.87 is: 19,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,569.46 : 41,358.29 = 12,779.87 : x
  2. Step 2: Convert to fraction form
    27,569.46/41,358.29 = 12,779.87/x
  3. Step 3: Cross multiply
    27,569.46x = 41,358.29 × 12,779.87
  4. Step 4: Simplify right side
    27,569.46x = 528,553,505.72
  5. Step 5: Solve for x
    x = 528,553,505.72/27,569.46
  6. Step 6: Final answer
    x = 19,171.70

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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.