Home / 26,889.72-40,279.89-13,554.51

Finding the Fourth Proportional to 26,889.72, 40,279.89 and 13,554.51

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Solution

The fourth proportional to 26,889.72, 40,279.89 and 13,554.51 is: 20,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.72 : 40,279.89 = 13,554.51 : x
  2. Step 2: Convert to fraction form
    26,889.72/40,279.89 = 13,554.51/x
  3. Step 3: Cross multiply
    26,889.72x = 40,279.89 × 13,554.51
  4. Step 4: Simplify right side
    26,889.72x = 545,974,171.80
  5. Step 5: Solve for x
    x = 545,974,171.80/26,889.72
  6. Step 6: Final answer
    x = 20,304.20

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1.5x scale

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.