Home / 27,697.12-38,220.58-15,119.44

Finding the Fourth Proportional to 27,697.12, 38,220.58 and 15,119.44

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Solution

The fourth proportional to 27,697.12, 38,220.58 and 15,119.44 is: 20,864.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,697.12 : 38,220.58 = 15,119.44 : x
  2. Step 2: Convert to fraction form
    27,697.12/38,220.58 = 15,119.44/x
  3. Step 3: Cross multiply
    27,697.12x = 38,220.58 × 15,119.44
  4. Step 4: Simplify right side
    27,697.12x = 577,873,766.08
  5. Step 5: Solve for x
    x = 577,873,766.08/27,697.12
  6. Step 6: Final answer
    x = 20,864.04

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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.