Home / 27,717.20-38,249.72-14,970.38

Finding the Fourth Proportional to 27,717.20, 38,249.72 and 14,970.38

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Solution

The fourth proportional to 27,717.20, 38,249.72 and 14,970.38 is: 20,659.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,717.20 : 38,249.72 = 14,970.38 : x
  2. Step 2: Convert to fraction form
    27,717.20/38,249.72 = 14,970.38/x
  3. Step 3: Cross multiply
    27,717.20x = 38,249.72 × 14,970.38
  4. Step 4: Simplify right side
    27,717.20x = 572,612,577.19
  5. Step 5: Solve for x
    x = 572,612,577.19/27,717.20
  6. Step 6: Final answer
    x = 20,659.11

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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.