Home / 57,827.29-86,722.36-18,375.18

Finding the Fourth Proportional to 57,827.29, 86,722.36 and 18,375.18

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Solution

The fourth proportional to 57,827.29, 86,722.36 and 18,375.18 is: 27,556.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,827.29 : 86,722.36 = 18,375.18 : x
  2. Step 2: Convert to fraction form
    57,827.29/86,722.36 = 18,375.18/x
  3. Step 3: Cross multiply
    57,827.29x = 86,722.36 × 18,375.18
  4. Step 4: Simplify right side
    57,827.29x = 1,593,538,975.02
  5. Step 5: Solve for x
    x = 1,593,538,975.02/57,827.29
  6. Step 6: Final answer
    x = 27,556.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.