Home / 27,932.96-38,549.04-15,360.32

Finding the Fourth Proportional to 27,932.96, 38,549.04 and 15,360.32

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Solution

The fourth proportional to 27,932.96, 38,549.04 and 15,360.32 is: 21,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,932.96 : 38,549.04 = 15,360.32 : x
  2. Step 2: Convert to fraction form
    27,932.96/38,549.04 = 15,360.32/x
  3. Step 3: Cross multiply
    27,932.96x = 38,549.04 × 15,360.32
  4. Step 4: Simplify right side
    27,932.96x = 592,125,590.09
  5. Step 5: Solve for x
    x = 592,125,590.09/27,932.96
  6. Step 6: Final answer
    x = 21,198.10

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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.