Home / 28,964.64-43,455.18-14,934.90

Finding the Fourth Proportional to 28,964.64, 43,455.18 and 14,934.90

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Solution

The fourth proportional to 28,964.64, 43,455.18 and 14,934.90 is: 22,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,964.64 : 43,455.18 = 14,934.90 : x
  2. Step 2: Convert to fraction form
    28,964.64/43,455.18 = 14,934.90/x
  3. Step 3: Cross multiply
    28,964.64x = 43,455.18 × 14,934.90
  4. Step 4: Simplify right side
    28,964.64x = 648,998,767.78
  5. Step 5: Solve for x
    x = 648,998,767.78/28,964.64
  6. Step 6: Final answer
    x = 22,406.59

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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.