Home / 21,512.20-32,276.58-10,418.04

Finding the Fourth Proportional to 21,512.20, 32,276.58 and 10,418.04

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Solution

The fourth proportional to 21,512.20, 32,276.58 and 10,418.04 is: 15,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,512.20 : 32,276.58 = 10,418.04 : x
  2. Step 2: Convert to fraction form
    21,512.20/32,276.58 = 10,418.04/x
  3. Step 3: Cross multiply
    21,512.20x = 32,276.58 × 10,418.04
  4. Step 4: Simplify right side
    21,512.20x = 336,258,701.50
  5. Step 5: Solve for x
    x = 336,258,701.50/21,512.20
  6. Step 6: Final answer
    x = 15,631.07

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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.