Home / 27,708.04-38,236.08-15,132.52

Finding the Fourth Proportional to 27,708.04, 38,236.08 and 15,132.52

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Solution

The fourth proportional to 27,708.04, 38,236.08 and 15,132.52 is: 20,882.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.04 : 38,236.08 = 15,132.52 : x
  2. Step 2: Convert to fraction form
    27,708.04/38,236.08 = 15,132.52/x
  3. Step 3: Cross multiply
    27,708.04x = 38,236.08 × 15,132.52
  4. Step 4: Simplify right side
    27,708.04x = 578,608,245.32
  5. Step 5: Solve for x
    x = 578,608,245.32/27,708.04
  6. Step 6: Final answer
    x = 20,882.32

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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.