Home / 28,913.24-43,335.15-14,879.90

Finding the Fourth Proportional to 28,913.24, 43,335.15 and 14,879.90

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Solution

The fourth proportional to 28,913.24, 43,335.15 and 14,879.90 is: 22,301.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.24 : 43,335.15 = 14,879.90 : x
  2. Step 2: Convert to fraction form
    28,913.24/43,335.15 = 14,879.90/x
  3. Step 3: Cross multiply
    28,913.24x = 43,335.15 × 14,879.90
  4. Step 4: Simplify right side
    28,913.24x = 644,822,481.81
  5. Step 5: Solve for x
    x = 644,822,481.81/28,913.24
  6. Step 6: Final answer
    x = 22,301.98

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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.