Home / 27,123.75-40,685.64-13,081.17

Finding the Fourth Proportional to 27,123.75, 40,685.64 and 13,081.17

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Solution

The fourth proportional to 27,123.75, 40,685.64 and 13,081.17 is: 19,621.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,123.75 : 40,685.64 = 13,081.17 : x
  2. Step 2: Convert to fraction form
    27,123.75/40,685.64 = 13,081.17/x
  3. Step 3: Cross multiply
    27,123.75x = 40,685.64 × 13,081.17
  4. Step 4: Simplify right side
    27,123.75x = 532,215,504.56
  5. Step 5: Solve for x
    x = 532,215,504.56/27,123.75
  6. Step 6: Final answer
    x = 19,621.75

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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.