Home / 25,486.35-35,204.81-21,251.27

Finding the Fourth Proportional to 25,486.35, 35,204.81 and 21,251.27

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Solution

The fourth proportional to 25,486.35, 35,204.81 and 21,251.27 is: 29,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,486.35 : 35,204.81 = 21,251.27 : x
  2. Step 2: Convert to fraction form
    25,486.35/35,204.81 = 21,251.27/x
  3. Step 3: Cross multiply
    25,486.35x = 35,204.81 × 21,251.27
  4. Step 4: Simplify right side
    25,486.35x = 748,146,640.33
  5. Step 5: Solve for x
    x = 748,146,640.33/25,486.35
  6. Step 6: Final answer
    x = 29,354.80

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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.