Home / 21,725.28-32,587.92-6,144.48

Finding the Fourth Proportional to 21,725.28, 32,587.92 and 6,144.48

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Solution

The fourth proportional to 21,725.28, 32,587.92 and 6,144.48 is: 9,216.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,725.28 : 32,587.92 = 6,144.48 : x
  2. Step 2: Convert to fraction form
    21,725.28/32,587.92 = 6,144.48/x
  3. Step 3: Cross multiply
    21,725.28x = 32,587.92 × 6,144.48
  4. Step 4: Simplify right side
    21,725.28x = 200,235,822.68
  5. Step 5: Solve for x
    x = 200,235,822.68/21,725.28
  6. Step 6: Final answer
    x = 9,216.72

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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.