Home / 22,696.68-31,319.28-21,024.84

Finding the Fourth Proportional to 22,696.68, 31,319.28 and 21,024.84

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Solution

The fourth proportional to 22,696.68, 31,319.28 and 21,024.84 is: 29,012.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,696.68 : 31,319.28 = 21,024.84 : x
  2. Step 2: Convert to fraction form
    22,696.68/31,319.28 = 21,024.84/x
  3. Step 3: Cross multiply
    22,696.68x = 31,319.28 × 21,024.84
  4. Step 4: Simplify right side
    22,696.68x = 658,482,850.92
  5. Step 5: Solve for x
    x = 658,482,850.92/22,696.68
  6. Step 6: Final answer
    x = 29,012.30

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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.