Home / 27,134.78-40,689.70-15,288.22

Finding the Fourth Proportional to 27,134.78, 40,689.70 and 15,288.22

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Solution

The fourth proportional to 27,134.78, 40,689.70 and 15,288.22 is: 22,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,134.78 : 40,689.70 = 15,288.22 : x
  2. Step 2: Convert to fraction form
    27,134.78/40,689.70 = 15,288.22/x
  3. Step 3: Cross multiply
    27,134.78x = 40,689.70 × 15,288.22
  4. Step 4: Simplify right side
    27,134.78x = 622,073,085.33
  5. Step 5: Solve for x
    x = 622,073,085.33/27,134.78
  6. Step 6: Final answer
    x = 22,925.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.