Home / 25,808.79-35,617.68-15,205.49

Finding the Fourth Proportional to 25,808.79, 35,617.68 and 15,205.49

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Solution

The fourth proportional to 25,808.79, 35,617.68 and 15,205.49 is: 20,984.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.79 : 35,617.68 = 15,205.49 : x
  2. Step 2: Convert to fraction form
    25,808.79/35,617.68 = 15,205.49/x
  3. Step 3: Cross multiply
    25,808.79x = 35,617.68 × 15,205.49
  4. Step 4: Simplify right side
    25,808.79x = 541,584,098.97
  5. Step 5: Solve for x
    x = 541,584,098.97/25,808.79
  6. Step 6: Final answer
    x = 20,984.48

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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.