Home / 28,924.30-43,336.93-15,785.90

Finding the Fourth Proportional to 28,924.30, 43,336.93 and 15,785.90

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Solution

The fourth proportional to 28,924.30, 43,336.93 and 15,785.90 is: 23,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,924.30 : 43,336.93 = 15,785.90 : x
  2. Step 2: Convert to fraction form
    28,924.30/43,336.93 = 15,785.90/x
  3. Step 3: Cross multiply
    28,924.30x = 43,336.93 × 15,785.90
  4. Step 4: Simplify right side
    28,924.30x = 684,112,443.29
  5. Step 5: Solve for x
    x = 684,112,443.29/28,924.30
  6. Step 6: Final answer
    x = 23,651.82

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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.