Home / 27,555.98-38,028.24-16,943.57

Finding the Fourth Proportional to 27,555.98, 38,028.24 and 16,943.57

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Solution

The fourth proportional to 27,555.98, 38,028.24 and 16,943.57 is: 23,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.98 : 38,028.24 = 16,943.57 : x
  2. Step 2: Convert to fraction form
    27,555.98/38,028.24 = 16,943.57/x
  3. Step 3: Cross multiply
    27,555.98x = 38,028.24 × 16,943.57
  4. Step 4: Simplify right side
    27,555.98x = 644,333,956.28
  5. Step 5: Solve for x
    x = 644,333,956.28/27,555.98
  6. Step 6: Final answer
    x = 23,382.72

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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.