Home / 28,734-43,118.10-13,152.84

Finding the Fourth Proportional to 28,734, 43,118.10 and 13,152.84

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Solution

The fourth proportional to 28,734, 43,118.10 and 13,152.84 is: 19,737.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734 : 43,118.10 = 13,152.84 : x
  2. Step 2: Convert to fraction form
    28,734/43,118.10 = 13,152.84/x
  3. Step 3: Cross multiply
    28,734x = 43,118.10 × 13,152.84
  4. Step 4: Simplify right side
    28,734x = 567,125,470.40
  5. Step 5: Solve for x
    x = 567,125,470.40/28,734
  6. Step 6: Final answer
    x = 19,737.09

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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.