Home / 20,822.84-31,194.30-17,451.08

Finding the Fourth Proportional to 20,822.84, 31,194.30 and 17,451.08

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Solution

The fourth proportional to 20,822.84, 31,194.30 and 17,451.08 is: 26,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,822.84 : 31,194.30 = 17,451.08 : x
  2. Step 2: Convert to fraction form
    20,822.84/31,194.30 = 17,451.08/x
  3. Step 3: Cross multiply
    20,822.84x = 31,194.30 × 17,451.08
  4. Step 4: Simplify right side
    20,822.84x = 544,374,224.84
  5. Step 5: Solve for x
    x = 544,374,224.84/20,822.84
  6. Step 6: Final answer
    x = 26,143.13

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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.