Home / 28,865.52-39,831.82-16,117.61

Finding the Fourth Proportional to 28,865.52, 39,831.82 and 16,117.61

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Solution

The fourth proportional to 28,865.52, 39,831.82 and 16,117.61 is: 22,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.52 : 39,831.82 = 16,117.61 : x
  2. Step 2: Convert to fraction form
    28,865.52/39,831.82 = 16,117.61/x
  3. Step 3: Cross multiply
    28,865.52x = 39,831.82 × 16,117.61
  4. Step 4: Simplify right side
    28,865.52x = 641,993,500.90
  5. Step 5: Solve for x
    x = 641,993,500.90/28,865.52
  6. Step 6: Final answer
    x = 22,240.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.