Home / 28,835.20-39,792.87-16,089.52

Finding the Fourth Proportional to 28,835.20, 39,792.87 and 16,089.52

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Solution

The fourth proportional to 28,835.20, 39,792.87 and 16,089.52 is: 22,203.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,835.20 : 39,792.87 = 16,089.52 : x
  2. Step 2: Convert to fraction form
    28,835.20/39,792.87 = 16,089.52/x
  3. Step 3: Cross multiply
    28,835.20x = 39,792.87 × 16,089.52
  4. Step 4: Simplify right side
    28,835.20x = 640,248,177.72
  5. Step 5: Solve for x
    x = 640,248,177.72/28,835.20
  6. Step 6: Final answer
    x = 22,203.70

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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.