Home / 27,961.38-38,586.64-15,386.13

Finding the Fourth Proportional to 27,961.38, 38,586.64 and 15,386.13

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Solution

The fourth proportional to 27,961.38, 38,586.64 and 15,386.13 is: 21,232.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,961.38 : 38,586.64 = 15,386.13 : x
  2. Step 2: Convert to fraction form
    27,961.38/38,586.64 = 15,386.13/x
  3. Step 3: Cross multiply
    27,961.38x = 38,586.64 × 15,386.13
  4. Step 4: Simplify right side
    27,961.38x = 593,699,059.30
  5. Step 5: Solve for x
    x = 593,699,059.30/27,961.38
  6. Step 6: Final answer
    x = 21,232.82

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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.