Home / 21,479.04-32,222.40-6,685.44

Finding the Fourth Proportional to 21,479.04, 32,222.40 and 6,685.44

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Solution

The fourth proportional to 21,479.04, 32,222.40 and 6,685.44 is: 10,029.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,479.04 : 32,222.40 = 6,685.44 : x
  2. Step 2: Convert to fraction form
    21,479.04/32,222.40 = 6,685.44/x
  3. Step 3: Cross multiply
    21,479.04x = 32,222.40 × 6,685.44
  4. Step 4: Simplify right side
    21,479.04x = 215,420,921.86
  5. Step 5: Solve for x
    x = 215,420,921.86/21,479.04
  6. Step 6: Final answer
    x = 10,029.36

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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.