Home / 21,793.32-32,648.74-12,881.97

Finding the Fourth Proportional to 21,793.32, 32,648.74 and 12,881.97

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Solution

The fourth proportional to 21,793.32, 32,648.74 and 12,881.97 is: 19,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793.32 : 32,648.74 = 12,881.97 : x
  2. Step 2: Convert to fraction form
    21,793.32/32,648.74 = 12,881.97/x
  3. Step 3: Cross multiply
    21,793.32x = 32,648.74 × 12,881.97
  4. Step 4: Simplify right side
    21,793.32x = 420,580,057.01
  5. Step 5: Solve for x
    x = 420,580,057.01/21,793.32
  6. Step 6: Final answer
    x = 19,298.58

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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.