Home / 27,652.56-38,160.05-15,077.31

Finding the Fourth Proportional to 27,652.56, 38,160.05 and 15,077.31

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Solution

The fourth proportional to 27,652.56, 38,160.05 and 15,077.31 is: 20,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.56 : 38,160.05 = 15,077.31 : x
  2. Step 2: Convert to fraction form
    27,652.56/38,160.05 = 15,077.31/x
  3. Step 3: Cross multiply
    27,652.56x = 38,160.05 × 15,077.31
  4. Step 4: Simplify right side
    27,652.56x = 575,350,828.08
  5. Step 5: Solve for x
    x = 575,350,828.08/27,652.56
  6. Step 6: Final answer
    x = 20,806.42

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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.