Home / 27,652.52-38,160.48-15,077.28

Finding the Fourth Proportional to 27,652.52, 38,160.48 and 15,077.28

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Solution

The fourth proportional to 27,652.52, 38,160.48 and 15,077.28 is: 20,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.52 : 38,160.48 = 15,077.28 : x
  2. Step 2: Convert to fraction form
    27,652.52/38,160.48 = 15,077.28/x
  3. Step 3: Cross multiply
    27,652.52x = 38,160.48 × 15,077.28
  4. Step 4: Simplify right side
    27,652.52x = 575,356,241.89
  5. Step 5: Solve for x
    x = 575,356,241.89/27,652.52
  6. Step 6: Final answer
    x = 20,806.65

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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.