Home / 26,972.51-40,525.68-17,490.86

Finding the Fourth Proportional to 26,972.51, 40,525.68 and 17,490.86

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Solution

The fourth proportional to 26,972.51, 40,525.68 and 17,490.86 is: 26,279.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972.51 : 40,525.68 = 17,490.86 : x
  2. Step 2: Convert to fraction form
    26,972.51/40,525.68 = 17,490.86/x
  3. Step 3: Cross multiply
    26,972.51x = 40,525.68 × 17,490.86
  4. Step 4: Simplify right side
    26,972.51x = 708,828,792.66
  5. Step 5: Solve for x
    x = 708,828,792.66/26,972.51
  6. Step 6: Final answer
    x = 26,279.68

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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.