Home / 21,472.76-32,171.58-14,903.12

Finding the Fourth Proportional to 21,472.76, 32,171.58 and 14,903.12

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Solution

The fourth proportional to 21,472.76, 32,171.58 and 14,903.12 is: 22,328.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.76 : 32,171.58 = 14,903.12 : x
  2. Step 2: Convert to fraction form
    21,472.76/32,171.58 = 14,903.12/x
  3. Step 3: Cross multiply
    21,472.76x = 32,171.58 × 14,903.12
  4. Step 4: Simplify right side
    21,472.76x = 479,456,917.33
  5. Step 5: Solve for x
    x = 479,456,917.33/21,472.76
  6. Step 6: Final answer
    x = 22,328.61

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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.