Home / 25,257.82-34,837.76-21,454.60

Finding the Fourth Proportional to 25,257.82, 34,837.76 and 21,454.60

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Solution

The fourth proportional to 25,257.82, 34,837.76 and 21,454.60 is: 29,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,257.82 : 34,837.76 = 21,454.60 : x
  2. Step 2: Convert to fraction form
    25,257.82/34,837.76 = 21,454.60/x
  3. Step 3: Cross multiply
    25,257.82x = 34,837.76 × 21,454.60
  4. Step 4: Simplify right side
    25,257.82x = 747,430,031.51
  5. Step 5: Solve for x
    x = 747,430,031.51/25,257.82
  6. Step 6: Final answer
    x = 29,592.03

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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.