Home / 27,608.13-41,418.80-8,889.92

Finding the Fourth Proportional to 27,608.13, 41,418.80 and 8,889.92

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Solution

The fourth proportional to 27,608.13, 41,418.80 and 8,889.92 is: 13,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.13 : 41,418.80 = 8,889.92 : x
  2. Step 2: Convert to fraction form
    27,608.13/41,418.80 = 8,889.92/x
  3. Step 3: Cross multiply
    27,608.13x = 41,418.80 × 8,889.92
  4. Step 4: Simplify right side
    27,608.13x = 368,209,755.61
  5. Step 5: Solve for x
    x = 368,209,755.61/27,608.13
  6. Step 6: Final answer
    x = 13,337.00

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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.