Home / 21,647.60-32,426.04-11,227.76

Finding the Fourth Proportional to 21,647.60, 32,426.04 and 11,227.76

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Solution

The fourth proportional to 21,647.60, 32,426.04 and 11,227.76 is: 16,818.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,647.60 : 32,426.04 = 11,227.76 : x
  2. Step 2: Convert to fraction form
    21,647.60/32,426.04 = 11,227.76/x
  3. Step 3: Cross multiply
    21,647.60x = 32,426.04 × 11,227.76
  4. Step 4: Simplify right side
    21,647.60x = 364,071,794.87
  5. Step 5: Solve for x
    x = 364,071,794.87/21,647.60
  6. Step 6: Final answer
    x = 16,818.11

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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.