Home / 21,869.39-32,736.25-17,674.40

Finding the Fourth Proportional to 21,869.39, 32,736.25 and 17,674.40

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Solution

The fourth proportional to 21,869.39, 32,736.25 and 17,674.40 is: 26,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,869.39 : 32,736.25 = 17,674.40 : x
  2. Step 2: Convert to fraction form
    21,869.39/32,736.25 = 17,674.40/x
  3. Step 3: Cross multiply
    21,869.39x = 32,736.25 × 17,674.40
  4. Step 4: Simplify right side
    21,869.39x = 578,593,680.93
  5. Step 5: Solve for x
    x = 578,593,680.93/21,869.39
  6. Step 6: Final answer
    x = 26,456.78

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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.