Home / 25,513.62-35,212.98-21,257.94

Finding the Fourth Proportional to 25,513.62, 35,212.98 and 21,257.94

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Solution

The fourth proportional to 25,513.62, 35,212.98 and 21,257.94 is: 29,339.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.62 : 35,212.98 = 21,257.94 : x
  2. Step 2: Convert to fraction form
    25,513.62/35,212.98 = 21,257.94/x
  3. Step 3: Cross multiply
    25,513.62x = 35,212.98 × 21,257.94
  4. Step 4: Simplify right side
    25,513.62x = 748,555,416.06
  5. Step 5: Solve for x
    x = 748,555,416.06/25,513.62
  6. Step 6: Final answer
    x = 29,339.44

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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.