Home / 26,767.50-36,943.20-15,589.50

Finding the Fourth Proportional to 26,767.50, 36,943.20 and 15,589.50

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Solution

The fourth proportional to 26,767.50, 36,943.20 and 15,589.50 is: 21,515.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,767.50 : 36,943.20 = 15,589.50 : x
  2. Step 2: Convert to fraction form
    26,767.50/36,943.20 = 15,589.50/x
  3. Step 3: Cross multiply
    26,767.50x = 36,943.20 × 15,589.50
  4. Step 4: Simplify right side
    26,767.50x = 575,926,016.40
  5. Step 5: Solve for x
    x = 575,926,016.40/26,767.50
  6. Step 6: Final answer
    x = 21,515.87

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1.5x scale

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.