Home / 26,718.81-39,994.38-17,816.64

Finding the Fourth Proportional to 26,718.81, 39,994.38 and 17,816.64

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Solution

The fourth proportional to 26,718.81, 39,994.38 and 17,816.64 is: 26,669.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,718.81 : 39,994.38 = 17,816.64 : x
  2. Step 2: Convert to fraction form
    26,718.81/39,994.38 = 17,816.64/x
  3. Step 3: Cross multiply
    26,718.81x = 39,994.38 × 17,816.64
  4. Step 4: Simplify right side
    26,718.81x = 712,565,470.48
  5. Step 5: Solve for x
    x = 712,565,470.48/26,718.81
  6. Step 6: Final answer
    x = 26,669.06

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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.