Home / 27,390.20-37,799.61-15,453.48

Finding the Fourth Proportional to 27,390.20, 37,799.61 and 15,453.48

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Solution

The fourth proportional to 27,390.20, 37,799.61 and 15,453.48 is: 21,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,390.20 : 37,799.61 = 15,453.48 : x
  2. Step 2: Convert to fraction form
    27,390.20/37,799.61 = 15,453.48/x
  3. Step 3: Cross multiply
    27,390.20x = 37,799.61 × 15,453.48
  4. Step 4: Simplify right side
    27,390.20x = 584,135,459.19
  5. Step 5: Solve for x
    x = 584,135,459.19/27,390.20
  6. Step 6: Final answer
    x = 21,326.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.