Home / 23,578.50-32,521.68-20,017.20

Finding the Fourth Proportional to 23,578.50, 32,521.68 and 20,017.20

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Solution

The fourth proportional to 23,578.50, 32,521.68 and 20,017.20 is: 27,609.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,578.50 : 32,521.68 = 20,017.20 : x
  2. Step 2: Convert to fraction form
    23,578.50/32,521.68 = 20,017.20/x
  3. Step 3: Cross multiply
    23,578.50x = 32,521.68 × 20,017.20
  4. Step 4: Simplify right side
    23,578.50x = 650,992,972.90
  5. Step 5: Solve for x
    x = 650,992,972.90/23,578.50
  6. Step 6: Final answer
    x = 27,609.60

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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.