Home / 27,218.11-40,820.95-7,498.39

Finding the Fourth Proportional to 27,218.11, 40,820.95 and 7,498.39

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Solution

The fourth proportional to 27,218.11, 40,820.95 and 7,498.39 is: 11,245.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.11 : 40,820.95 = 7,498.39 : x
  2. Step 2: Convert to fraction form
    27,218.11/40,820.95 = 7,498.39/x
  3. Step 3: Cross multiply
    27,218.11x = 40,820.95 × 7,498.39
  4. Step 4: Simplify right side
    27,218.11x = 306,091,403.27
  5. Step 5: Solve for x
    x = 306,091,403.27/27,218.11
  6. Step 6: Final answer
    x = 11,245.87

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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.