Home / 27,705.42-38,233.62-15,130.17

Finding the Fourth Proportional to 27,705.42, 38,233.62 and 15,130.17

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Solution

The fourth proportional to 27,705.42, 38,233.62 and 15,130.17 is: 20,879.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,705.42 : 38,233.62 = 15,130.17 : x
  2. Step 2: Convert to fraction form
    27,705.42/38,233.62 = 15,130.17/x
  3. Step 3: Cross multiply
    27,705.42x = 38,233.62 × 15,130.17
  4. Step 4: Simplify right side
    27,705.42x = 578,481,170.32
  5. Step 5: Solve for x
    x = 578,481,170.32/27,705.42
  6. Step 6: Final answer
    x = 20,879.71

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Double scale
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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.