Home / 27,817.92-38,389.12-15,242.56

Finding the Fourth Proportional to 27,817.92, 38,389.12 and 15,242.56

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Solution

The fourth proportional to 27,817.92, 38,389.12 and 15,242.56 is: 21,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.92 : 38,389.12 = 15,242.56 : x
  2. Step 2: Convert to fraction form
    27,817.92/38,389.12 = 15,242.56/x
  3. Step 3: Cross multiply
    27,817.92x = 38,389.12 × 15,242.56
  4. Step 4: Simplify right side
    27,817.92x = 585,148,464.95
  5. Step 5: Solve for x
    x = 585,148,464.95/27,817.92
  6. Step 6: Final answer
    x = 21,034.95

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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.