Home / 31,625.70-43,643.80-17,285.94

Finding the Fourth Proportional to 31,625.70, 43,643.80 and 17,285.94

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Solution

The fourth proportional to 31,625.70, 43,643.80 and 17,285.94 is: 23,854.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.70 : 43,643.80 = 17,285.94 : x
  2. Step 2: Convert to fraction form
    31,625.70/43,643.80 = 17,285.94/x
  3. Step 3: Cross multiply
    31,625.70x = 43,643.80 × 17,285.94
  4. Step 4: Simplify right side
    31,625.70x = 754,424,108.17
  5. Step 5: Solve for x
    x = 754,424,108.17/31,625.70
  6. Step 6: Final answer
    x = 23,854.78

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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.