Home / 25,276.57-34,884.94-21,020.35

Finding the Fourth Proportional to 25,276.57, 34,884.94 and 21,020.35

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Solution

The fourth proportional to 25,276.57, 34,884.94 and 21,020.35 is: 29,010.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276.57 : 34,884.94 = 21,020.35 : x
  2. Step 2: Convert to fraction form
    25,276.57/34,884.94 = 21,020.35/x
  3. Step 3: Cross multiply
    25,276.57x = 34,884.94 × 21,020.35
  4. Step 4: Simplify right side
    25,276.57x = 733,293,648.53
  5. Step 5: Solve for x
    x = 733,293,648.53/25,276.57
  6. Step 6: Final answer
    x = 29,010.81

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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.