Home / 28,785.24-43,138.44-14,715.81

Finding the Fourth Proportional to 28,785.24, 43,138.44 and 14,715.81

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Solution

The fourth proportional to 28,785.24, 43,138.44 and 14,715.81 is: 22,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.24 : 43,138.44 = 14,715.81 : x
  2. Step 2: Convert to fraction form
    28,785.24/43,138.44 = 14,715.81/x
  3. Step 3: Cross multiply
    28,785.24x = 43,138.44 × 14,715.81
  4. Step 4: Simplify right side
    28,785.24x = 634,817,086.74
  5. Step 5: Solve for x
    x = 634,817,086.74/28,785.24
  6. Step 6: Final answer
    x = 22,053.56

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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.