Home / 21,750.32-32,630.28-6,960.44

Finding the Fourth Proportional to 21,750.32, 32,630.28 and 6,960.44

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Solution

The fourth proportional to 21,750.32, 32,630.28 and 6,960.44 is: 10,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.32 : 32,630.28 = 6,960.44 : x
  2. Step 2: Convert to fraction form
    21,750.32/32,630.28 = 6,960.44/x
  3. Step 3: Cross multiply
    21,750.32x = 32,630.28 × 6,960.44
  4. Step 4: Simplify right side
    21,750.32x = 227,121,106.12
  5. Step 5: Solve for x
    x = 227,121,106.12/21,750.32
  6. Step 6: Final answer
    x = 10,442.20

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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.