Home / 27,905.20-38,498.28-15,962.16

Finding the Fourth Proportional to 27,905.20, 38,498.28 and 15,962.16

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Solution

The fourth proportional to 27,905.20, 38,498.28 and 15,962.16 is: 22,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,905.20 : 38,498.28 = 15,962.16 : x
  2. Step 2: Convert to fraction form
    27,905.20/38,498.28 = 15,962.16/x
  3. Step 3: Cross multiply
    27,905.20x = 38,498.28 × 15,962.16
  4. Step 4: Simplify right side
    27,905.20x = 614,515,705.08
  5. Step 5: Solve for x
    x = 614,515,705.08/27,905.20
  6. Step 6: Final answer
    x = 22,021.55

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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.