Home / 21,517.63-29,625.68-18,152.08

Finding the Fourth Proportional to 21,517.63, 29,625.68 and 18,152.08

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Solution

The fourth proportional to 21,517.63, 29,625.68 and 18,152.08 is: 24,991.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,517.63 : 29,625.68 = 18,152.08 : x
  2. Step 2: Convert to fraction form
    21,517.63/29,625.68 = 18,152.08/x
  3. Step 3: Cross multiply
    21,517.63x = 29,625.68 × 18,152.08
  4. Step 4: Simplify right side
    21,517.63x = 537,767,474.53
  5. Step 5: Solve for x
    x = 537,767,474.53/21,517.63
  6. Step 6: Final answer
    x = 24,991.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.