Home / 27,962.33-38,588.18-15,215.61

Finding the Fourth Proportional to 27,962.33, 38,588.18 and 15,215.61

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Solution

The fourth proportional to 27,962.33, 38,588.18 and 15,215.61 is: 20,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,962.33 : 38,588.18 = 15,215.61 : x
  2. Step 2: Convert to fraction form
    27,962.33/38,588.18 = 15,215.61/x
  3. Step 3: Cross multiply
    27,962.33x = 38,588.18 × 15,215.61
  4. Step 4: Simplify right side
    27,962.33x = 587,142,753.10
  5. Step 5: Solve for x
    x = 587,142,753.10/27,962.33
  6. Step 6: Final answer
    x = 20,997.64

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Similar ratio
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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.