Home / 27,904.20-41,856.30-25,279.80

Finding the Fourth Proportional to 27,904.20, 41,856.30 and 25,279.80

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Solution

The fourth proportional to 27,904.20, 41,856.30 and 25,279.80 is: 37,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.20 : 41,856.30 = 25,279.80 : x
  2. Step 2: Convert to fraction form
    27,904.20/41,856.30 = 25,279.80/x
  3. Step 3: Cross multiply
    27,904.20x = 41,856.30 × 25,279.80
  4. Step 4: Simplify right side
    27,904.20x = 1,058,118,892.74
  5. Step 5: Solve for x
    x = 1,058,118,892.74/27,904.20
  6. Step 6: Final answer
    x = 37,919.70

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1.5x scale

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.