Home / 26,718.17-36,871.97-15,391.35

Finding the Fourth Proportional to 26,718.17, 36,871.97 and 15,391.35

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Solution

The fourth proportional to 26,718.17, 36,871.97 and 15,391.35 is: 21,240.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.17 : 36,871.97 = 15,391.35 : x
  2. Step 2: Convert to fraction form
    26,718.17/36,871.97 = 15,391.35/x
  3. Step 3: Cross multiply
    26,718.17x = 36,871.97 × 15,391.35
  4. Step 4: Simplify right side
    26,718.17x = 567,509,318.50
  5. Step 5: Solve for x
    x = 567,509,318.50/26,718.17
  6. Step 6: Final answer
    x = 21,240.58

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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.