Home / 27,966.33-38,593.71-15,219.61

Finding the Fourth Proportional to 27,966.33, 38,593.71 and 15,219.61

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Solution

The fourth proportional to 27,966.33, 38,593.71 and 15,219.61 is: 21,003.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,966.33 : 38,593.71 = 15,219.61 : x
  2. Step 2: Convert to fraction form
    27,966.33/38,593.71 = 15,219.61/x
  3. Step 3: Cross multiply
    27,966.33x = 38,593.71 × 15,219.61
  4. Step 4: Simplify right side
    27,966.33x = 587,381,214.65
  5. Step 5: Solve for x
    x = 587,381,214.65/27,966.33
  6. Step 6: Final answer
    x = 21,003.16

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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.