Home / 27,959-41,938.50-7,182.50

Finding the Fourth Proportional to 27,959, 41,938.50 and 7,182.50

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Solution

The fourth proportional to 27,959, 41,938.50 and 7,182.50 is: 10,773.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,959 : 41,938.50 = 7,182.50 : x
  2. Step 2: Convert to fraction form
    27,959/41,938.50 = 7,182.50/x
  3. Step 3: Cross multiply
    27,959x = 41,938.50 × 7,182.50
  4. Step 4: Simplify right side
    27,959x = 301,223,276.25
  5. Step 5: Solve for x
    x = 301,223,276.25/27,959
  6. Step 6: Final answer
    x = 10,773.75

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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.