Home / 27,871.89-41,770.16-15,373.18

Finding the Fourth Proportional to 27,871.89, 41,770.16 and 15,373.18

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Solution

The fourth proportional to 27,871.89, 41,770.16 and 15,373.18 is: 23,038.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,871.89 : 41,770.16 = 15,373.18 : x
  2. Step 2: Convert to fraction form
    27,871.89/41,770.16 = 15,373.18/x
  3. Step 3: Cross multiply
    27,871.89x = 41,770.16 × 15,373.18
  4. Step 4: Simplify right side
    27,871.89x = 642,140,188.31
  5. Step 5: Solve for x
    x = 642,140,188.31/27,871.89
  6. Step 6: Final answer
    x = 23,038.99

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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.