Home / 26,640.51-36,761.91-15,310.04

Finding the Fourth Proportional to 26,640.51, 36,761.91 and 15,310.04

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Solution

The fourth proportional to 26,640.51, 36,761.91 and 15,310.04 is: 21,126.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,640.51 : 36,761.91 = 15,310.04 : x
  2. Step 2: Convert to fraction form
    26,640.51/36,761.91 = 15,310.04/x
  3. Step 3: Cross multiply
    26,640.51x = 36,761.91 × 15,310.04
  4. Step 4: Simplify right side
    26,640.51x = 562,826,128.77
  5. Step 5: Solve for x
    x = 562,826,128.77/26,640.51
  6. Step 6: Final answer
    x = 21,126.70

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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.