Home / 22,896.12-31,600.46-15,720.17

Finding the Fourth Proportional to 22,896.12, 31,600.46 and 15,720.17

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Solution

The fourth proportional to 22,896.12, 31,600.46 and 15,720.17 is: 21,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,896.12 : 31,600.46 = 15,720.17 : x
  2. Step 2: Convert to fraction form
    22,896.12/31,600.46 = 15,720.17/x
  3. Step 3: Cross multiply
    22,896.12x = 31,600.46 × 15,720.17
  4. Step 4: Simplify right side
    22,896.12x = 496,764,366.68
  5. Step 5: Solve for x
    x = 496,764,366.68/22,896.12
  6. Step 6: Final answer
    x = 21,696.44

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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.