Home / 40,625.85-56,077.77-27,921.09

Finding the Fourth Proportional to 40,625.85, 56,077.77 and 27,921.09

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Solution

The fourth proportional to 40,625.85, 56,077.77 and 27,921.09 is: 38,540.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,625.85 : 56,077.77 = 27,921.09 : x
  2. Step 2: Convert to fraction form
    40,625.85/56,077.77 = 27,921.09/x
  3. Step 3: Cross multiply
    40,625.85x = 56,077.77 × 27,921.09
  4. Step 4: Simplify right side
    40,625.85x = 1,565,752,463.17
  5. Step 5: Solve for x
    x = 1,565,752,463.17/40,625.85
  6. Step 6: Final answer
    x = 38,540.79

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1.5x scale

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.