Home / 27,902.38-38,505.31-15,327.94

Finding the Fourth Proportional to 27,902.38, 38,505.31 and 15,327.94

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Solution

The fourth proportional to 27,902.38, 38,505.31 and 15,327.94 is: 21,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.38 : 38,505.31 = 15,327.94 : x
  2. Step 2: Convert to fraction form
    27,902.38/38,505.31 = 15,327.94/x
  3. Step 3: Cross multiply
    27,902.38x = 38,505.31 × 15,327.94
  4. Step 4: Simplify right side
    27,902.38x = 590,207,081.36
  5. Step 5: Solve for x
    x = 590,207,081.36/27,902.38
  6. Step 6: Final answer
    x = 21,152.57

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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.