Home / 21,635.18-32,452.68-8,478.26

Finding the Fourth Proportional to 21,635.18, 32,452.68 and 8,478.26

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Solution

The fourth proportional to 21,635.18, 32,452.68 and 8,478.26 is: 12,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.18 : 32,452.68 = 8,478.26 : x
  2. Step 2: Convert to fraction form
    21,635.18/32,452.68 = 8,478.26/x
  3. Step 3: Cross multiply
    21,635.18x = 32,452.68 × 8,478.26
  4. Step 4: Simplify right side
    21,635.18x = 275,142,258.74
  5. Step 5: Solve for x
    x = 275,142,258.74/21,635.18
  6. Step 6: Final answer
    x = 12,717.35

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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.