Home / 23,498.28-32,438.40-15,100.20

Finding the Fourth Proportional to 23,498.28, 32,438.40 and 15,100.20

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Solution

The fourth proportional to 23,498.28, 32,438.40 and 15,100.20 is: 20,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,498.28 : 32,438.40 = 15,100.20 : x
  2. Step 2: Convert to fraction form
    23,498.28/32,438.40 = 15,100.20/x
  3. Step 3: Cross multiply
    23,498.28x = 32,438.40 × 15,100.20
  4. Step 4: Simplify right side
    23,498.28x = 489,826,327.68
  5. Step 5: Solve for x
    x = 489,826,327.68/23,498.28
  6. Step 6: Final answer
    x = 20,845.20

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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.