Home / 39,151.97-58,678.72-28,080.28

Finding the Fourth Proportional to 39,151.97, 58,678.72 and 28,080.28

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Solution

The fourth proportional to 39,151.97, 58,678.72 and 28,080.28 is: 42,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,151.97 : 58,678.72 = 28,080.28 : x
  2. Step 2: Convert to fraction form
    39,151.97/58,678.72 = 28,080.28/x
  3. Step 3: Cross multiply
    39,151.97x = 58,678.72 × 28,080.28
  4. Step 4: Simplify right side
    39,151.97x = 1,647,714,887.64
  5. Step 5: Solve for x
    x = 1,647,714,887.64/39,151.97
  6. Step 6: Final answer
    x = 42,085.11

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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.