Home / 27,608.95-38,099.51-15,344.31

Finding the Fourth Proportional to 27,608.95, 38,099.51 and 15,344.31

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Solution

The fourth proportional to 27,608.95, 38,099.51 and 15,344.31 is: 21,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.95 : 38,099.51 = 15,344.31 : x
  2. Step 2: Convert to fraction form
    27,608.95/38,099.51 = 15,344.31/x
  3. Step 3: Cross multiply
    27,608.95x = 38,099.51 × 15,344.31
  4. Step 4: Simplify right side
    27,608.95x = 584,610,615.57
  5. Step 5: Solve for x
    x = 584,610,615.57/27,608.95
  6. Step 6: Final answer
    x = 21,174.68

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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.