Home / 25,576.43-35,297.25-15,505.30

Finding the Fourth Proportional to 25,576.43, 35,297.25 and 15,505.30

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Solution

The fourth proportional to 25,576.43, 35,297.25 and 15,505.30 is: 21,398.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.43 : 35,297.25 = 15,505.30 : x
  2. Step 2: Convert to fraction form
    25,576.43/35,297.25 = 15,505.30/x
  3. Step 3: Cross multiply
    25,576.43x = 35,297.25 × 15,505.30
  4. Step 4: Simplify right side
    25,576.43x = 547,294,323.42
  5. Step 5: Solve for x
    x = 547,294,323.42/25,576.43
  6. Step 6: Final answer
    x = 21,398.38

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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.