Home / 21,774.20-32,612.70-16,827.80

Finding the Fourth Proportional to 21,774.20, 32,612.70 and 16,827.80

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Solution

The fourth proportional to 21,774.20, 32,612.70 and 16,827.80 is: 25,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774.20 : 32,612.70 = 16,827.80 : x
  2. Step 2: Convert to fraction form
    21,774.20/32,612.70 = 16,827.80/x
  3. Step 3: Cross multiply
    21,774.20x = 32,612.70 × 16,827.80
  4. Step 4: Simplify right side
    21,774.20x = 548,799,993.06
  5. Step 5: Solve for x
    x = 548,799,993.06/21,774.20
  6. Step 6: Final answer
    x = 25,204.14

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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.