Home / 26,472.74-36,529.35-15,713.78

Finding the Fourth Proportional to 26,472.74, 36,529.35 and 15,713.78

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Solution

The fourth proportional to 26,472.74, 36,529.35 and 15,713.78 is: 21,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.74 : 36,529.35 = 15,713.78 : x
  2. Step 2: Convert to fraction form
    26,472.74/36,529.35 = 15,713.78/x
  3. Step 3: Cross multiply
    26,472.74x = 36,529.35 × 15,713.78
  4. Step 4: Simplify right side
    26,472.74x = 574,014,169.44
  5. Step 5: Solve for x
    x = 574,014,169.44/26,472.74
  6. Step 6: Final answer
    x = 21,683.22

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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.