Home / 76,627.91-114,937.18-28,587.26

Finding the Fourth Proportional to 76,627.91, 114,937.18 and 28,587.26

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Solution

The fourth proportional to 76,627.91, 114,937.18 and 28,587.26 is: 42,879.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,627.91 : 114,937.18 = 28,587.26 : x
  2. Step 2: Convert to fraction form
    76,627.91/114,937.18 = 28,587.26/x
  3. Step 3: Cross multiply
    76,627.91x = 114,937.18 × 28,587.26
  4. Step 4: Simplify right side
    76,627.91x = 3,285,739,048.33
  5. Step 5: Solve for x
    x = 3,285,739,048.33/76,627.91
  6. Step 6: Final answer
    x = 42,879.14

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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.