Home / 25,576.64-35,297.53-15,505.50

Finding the Fourth Proportional to 25,576.64, 35,297.53 and 15,505.50

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Solution

The fourth proportional to 25,576.64, 35,297.53 and 15,505.50 is: 21,398.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.64 : 35,297.53 = 15,505.50 : x
  2. Step 2: Convert to fraction form
    25,576.64/35,297.53 = 15,505.50/x
  3. Step 3: Cross multiply
    25,576.64x = 35,297.53 × 15,505.50
  4. Step 4: Simplify right side
    25,576.64x = 547,305,841.72
  5. Step 5: Solve for x
    x = 547,305,841.72/25,576.64
  6. Step 6: Final answer
    x = 21,398.66

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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.