Home / 27,805.06-41,700.30-10,279.90

Finding the Fourth Proportional to 27,805.06, 41,700.30 and 10,279.90

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Solution

The fourth proportional to 27,805.06, 41,700.30 and 10,279.90 is: 15,417.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.06 : 41,700.30 = 10,279.90 : x
  2. Step 2: Convert to fraction form
    27,805.06/41,700.30 = 10,279.90/x
  3. Step 3: Cross multiply
    27,805.06x = 41,700.30 × 10,279.90
  4. Step 4: Simplify right side
    27,805.06x = 428,674,913.97
  5. Step 5: Solve for x
    x = 428,674,913.97/27,805.06
  6. Step 6: Final answer
    x = 15,417.15

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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.