Home / 27,877.91-41,808.05-9,154.86

Finding the Fourth Proportional to 27,877.91, 41,808.05 and 9,154.86

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Solution

The fourth proportional to 27,877.91, 41,808.05 and 9,154.86 is: 13,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,877.91 : 41,808.05 = 9,154.86 : x
  2. Step 2: Convert to fraction form
    27,877.91/41,808.05 = 9,154.86/x
  3. Step 3: Cross multiply
    27,877.91x = 41,808.05 × 9,154.86
  4. Step 4: Simplify right side
    27,877.91x = 382,746,844.62
  5. Step 5: Solve for x
    x = 382,746,844.62/27,877.91
  6. Step 6: Final answer
    x = 13,729.40

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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.