Home / 38,178.46-52,708.36-25,428.34

Finding the Fourth Proportional to 38,178.46, 52,708.36 and 25,428.34

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Solution

The fourth proportional to 38,178.46, 52,708.36 and 25,428.34 is: 35,105.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.46 : 52,708.36 = 25,428.34 : x
  2. Step 2: Convert to fraction form
    38,178.46/52,708.36 = 25,428.34/x
  3. Step 3: Cross multiply
    38,178.46x = 52,708.36 × 25,428.34
  4. Step 4: Simplify right side
    38,178.46x = 1,340,286,098.92
  5. Step 5: Solve for x
    x = 1,340,286,098.92/38,178.46
  6. Step 6: Final answer
    x = 35,105.82

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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.