Home / 27,767.92-38,306.64-18,207.76

Finding the Fourth Proportional to 27,767.92, 38,306.64 and 18,207.76

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Solution

The fourth proportional to 27,767.92, 38,306.64 and 18,207.76 is: 25,118.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,767.92 : 38,306.64 = 18,207.76 : x
  2. Step 2: Convert to fraction form
    27,767.92/38,306.64 = 18,207.76/x
  3. Step 3: Cross multiply
    27,767.92x = 38,306.64 × 18,207.76
  4. Step 4: Simplify right side
    27,767.92x = 697,478,107.53
  5. Step 5: Solve for x
    x = 697,478,107.53/27,767.92
  6. Step 6: Final answer
    x = 25,118.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.