Home / 42,956.19-64,395.41-15,247.71

Finding the Fourth Proportional to 42,956.19, 64,395.41 and 15,247.71

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Solution

The fourth proportional to 42,956.19, 64,395.41 and 15,247.71 is: 22,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,956.19 : 64,395.41 = 15,247.71 : x
  2. Step 2: Convert to fraction form
    42,956.19/64,395.41 = 15,247.71/x
  3. Step 3: Cross multiply
    42,956.19x = 64,395.41 × 15,247.71
  4. Step 4: Simplify right side
    42,956.19x = 981,882,460.77
  5. Step 5: Solve for x
    x = 981,882,460.77/42,956.19
  6. Step 6: Final answer
    x = 22,857.76

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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.