Home / 27,621.38-38,117.31-15,046.13

Finding the Fourth Proportional to 27,621.38, 38,117.31 and 15,046.13

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Solution

The fourth proportional to 27,621.38, 38,117.31 and 15,046.13 is: 20,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,621.38 : 38,117.31 = 15,046.13 : x
  2. Step 2: Convert to fraction form
    27,621.38/38,117.31 = 15,046.13/x
  3. Step 3: Cross multiply
    27,621.38x = 38,117.31 × 15,046.13
  4. Step 4: Simplify right side
    27,621.38x = 573,518,001.51
  5. Step 5: Solve for x
    x = 573,518,001.51/27,621.38
  6. Step 6: Final answer
    x = 20,763.55

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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.