Home / 28,937.80-43,349.10-15,766.60

Finding the Fourth Proportional to 28,937.80, 43,349.10 and 15,766.60

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Solution

The fourth proportional to 28,937.80, 43,349.10 and 15,766.60 is: 23,618.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937.80 : 43,349.10 = 15,766.60 : x
  2. Step 2: Convert to fraction form
    28,937.80/43,349.10 = 15,766.60/x
  3. Step 3: Cross multiply
    28,937.80x = 43,349.10 × 15,766.60
  4. Step 4: Simplify right side
    28,937.80x = 683,467,920.06
  5. Step 5: Solve for x
    x = 683,467,920.06/28,937.80
  6. Step 6: Final answer
    x = 23,618.52

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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.