Home / 27,809.38-38,376.75-15,233.86

Finding the Fourth Proportional to 27,809.38, 38,376.75 and 15,233.86

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Solution

The fourth proportional to 27,809.38, 38,376.75 and 15,233.86 is: 21,022.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,809.38 : 38,376.75 = 15,233.86 : x
  2. Step 2: Convert to fraction form
    27,809.38/38,376.75 = 15,233.86/x
  3. Step 3: Cross multiply
    27,809.38x = 38,376.75 × 15,233.86
  4. Step 4: Simplify right side
    27,809.38x = 584,626,036.76
  5. Step 5: Solve for x
    x = 584,626,036.76/27,809.38
  6. Step 6: Final answer
    x = 21,022.62

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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.