Home / 26,278.89-39,412.42-7,554.76

Finding the Fourth Proportional to 26,278.89, 39,412.42 and 7,554.76

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Solution

The fourth proportional to 26,278.89, 39,412.42 and 7,554.76 is: 11,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,278.89 : 39,412.42 = 7,554.76 : x
  2. Step 2: Convert to fraction form
    26,278.89/39,412.42 = 7,554.76/x
  3. Step 3: Cross multiply
    26,278.89x = 39,412.42 × 7,554.76
  4. Step 4: Simplify right side
    26,278.89x = 297,751,256.70
  5. Step 5: Solve for x
    x = 297,751,256.70/26,278.89
  6. Step 6: Final answer
    x = 11,330.44

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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.