Home / 27,708.19-38,237.25-15,132.94

Finding the Fourth Proportional to 27,708.19, 38,237.25 and 15,132.94

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Solution

The fourth proportional to 27,708.19, 38,237.25 and 15,132.94 is: 20,883.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.19 : 38,237.25 = 15,132.94 : x
  2. Step 2: Convert to fraction form
    27,708.19/38,237.25 = 15,132.94/x
  3. Step 3: Cross multiply
    27,708.19x = 38,237.25 × 15,132.94
  4. Step 4: Simplify right side
    27,708.19x = 578,642,029.94
  5. Step 5: Solve for x
    x = 578,642,029.94/27,708.19
  6. Step 6: Final answer
    x = 20,883.43

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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.