Home / 31,622.88-43,639.04-17,282.40

Finding the Fourth Proportional to 31,622.88, 43,639.04 and 17,282.40

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Solution

The fourth proportional to 31,622.88, 43,639.04 and 17,282.40 is: 23,849.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,622.88 : 43,639.04 = 17,282.40 : x
  2. Step 2: Convert to fraction form
    31,622.88/43,639.04 = 17,282.40/x
  3. Step 3: Cross multiply
    31,622.88x = 43,639.04 × 17,282.40
  4. Step 4: Simplify right side
    31,622.88x = 754,187,344.90
  5. Step 5: Solve for x
    x = 754,187,344.90/31,622.88
  6. Step 6: Final answer
    x = 23,849.42

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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.