Home / 27,652.70-38,160.63-15,077.45

Finding the Fourth Proportional to 27,652.70, 38,160.63 and 15,077.45

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Solution

The fourth proportional to 27,652.70, 38,160.63 and 15,077.45 is: 20,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,652.70 : 38,160.63 = 15,077.45 : x
  2. Step 2: Convert to fraction form
    27,652.70/38,160.63 = 15,077.45/x
  3. Step 3: Cross multiply
    27,652.70x = 38,160.63 × 15,077.45
  4. Step 4: Simplify right side
    27,652.70x = 575,364,799.99
  5. Step 5: Solve for x
    x = 575,364,799.99/27,652.70
  6. Step 6: Final answer
    x = 20,806.83

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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.