Home / 25,275.57-34,883.56-21,019.35

Finding the Fourth Proportional to 25,275.57, 34,883.56 and 21,019.35

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Solution

The fourth proportional to 25,275.57, 34,883.56 and 21,019.35 is: 29,009.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,275.57 : 34,883.56 = 21,019.35 : x
  2. Step 2: Convert to fraction form
    25,275.57/34,883.56 = 21,019.35/x
  3. Step 3: Cross multiply
    25,275.57x = 34,883.56 × 21,019.35
  4. Step 4: Simplify right side
    25,275.57x = 733,229,717.75
  5. Step 5: Solve for x
    x = 733,229,717.75/25,275.57
  6. Step 6: Final answer
    x = 29,009.42

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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.