Home / 27,010.55-37,273.82-15,679.40

Finding the Fourth Proportional to 27,010.55, 37,273.82 and 15,679.40

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Solution

The fourth proportional to 27,010.55, 37,273.82 and 15,679.40 is: 21,637.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,010.55 : 37,273.82 = 15,679.40 : x
  2. Step 2: Convert to fraction form
    27,010.55/37,273.82 = 15,679.40/x
  3. Step 3: Cross multiply
    27,010.55x = 37,273.82 × 15,679.40
  4. Step 4: Simplify right side
    27,010.55x = 584,430,868.54
  5. Step 5: Solve for x
    x = 584,430,868.54/27,010.55
  6. Step 6: Final answer
    x = 21,637.14

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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.