Home / 28,913.52-43,340.72-16,407.12

Finding the Fourth Proportional to 28,913.52, 43,340.72 and 16,407.12

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Solution

The fourth proportional to 28,913.52, 43,340.72 and 16,407.12 is: 24,593.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,913.52 : 43,340.72 = 16,407.12 : x
  2. Step 2: Convert to fraction form
    28,913.52/43,340.72 = 16,407.12/x
  3. Step 3: Cross multiply
    28,913.52x = 43,340.72 × 16,407.12
  4. Step 4: Simplify right side
    28,913.52x = 711,096,393.93
  5. Step 5: Solve for x
    x = 711,096,393.93/28,913.52
  6. Step 6: Final answer
    x = 24,593.91

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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.