Home / 27,421.68-41,132.16-6,645.36

Finding the Fourth Proportional to 27,421.68, 41,132.16 and 6,645.36

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Solution

The fourth proportional to 27,421.68, 41,132.16 and 6,645.36 is: 9,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,421.68 : 41,132.16 = 6,645.36 : x
  2. Step 2: Convert to fraction form
    27,421.68/41,132.16 = 6,645.36/x
  3. Step 3: Cross multiply
    27,421.68x = 41,132.16 × 6,645.36
  4. Step 4: Simplify right side
    27,421.68x = 273,338,010.78
  5. Step 5: Solve for x
    x = 273,338,010.78/27,421.68
  6. Step 6: Final answer
    x = 9,967.95

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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.