Home / 85,038.53-127,576.24-25,872.66

Finding the Fourth Proportional to 85,038.53, 127,576.24 and 25,872.66

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Solution

The fourth proportional to 85,038.53, 127,576.24 and 25,872.66 is: 38,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,038.53 : 127,576.24 = 25,872.66 : x
  2. Step 2: Convert to fraction form
    85,038.53/127,576.24 = 25,872.66/x
  3. Step 3: Cross multiply
    85,038.53x = 127,576.24 × 25,872.66
  4. Step 4: Simplify right side
    85,038.53x = 3,300,736,138.51
  5. Step 5: Solve for x
    x = 3,300,736,138.51/85,038.53
  6. Step 6: Final answer
    x = 38,814.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.