Home / 27,115.24-37,419.18-15,178.84

Finding the Fourth Proportional to 27,115.24, 37,419.18 and 15,178.84

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Solution

The fourth proportional to 27,115.24, 37,419.18 and 15,178.84 is: 20,946.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.24 : 37,419.18 = 15,178.84 : x
  2. Step 2: Convert to fraction form
    27,115.24/37,419.18 = 15,178.84/x
  3. Step 3: Cross multiply
    27,115.24x = 37,419.18 × 15,178.84
  4. Step 4: Simplify right side
    27,115.24x = 567,979,746.15
  5. Step 5: Solve for x
    x = 567,979,746.15/27,115.24
  6. Step 6: Final answer
    x = 20,946.88

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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.