Home / 25,310.49-34,969.15-21,573.15

Finding the Fourth Proportional to 25,310.49, 34,969.15 and 21,573.15

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Solution

The fourth proportional to 25,310.49, 34,969.15 and 21,573.15 is: 29,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.49 : 34,969.15 = 21,573.15 : x
  2. Step 2: Convert to fraction form
    25,310.49/34,969.15 = 21,573.15/x
  3. Step 3: Cross multiply
    25,310.49x = 34,969.15 × 21,573.15
  4. Step 4: Simplify right side
    25,310.49x = 754,394,718.32
  5. Step 5: Solve for x
    x = 754,394,718.32/25,310.49
  6. Step 6: Final answer
    x = 29,805.61

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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.