Home / 26,667.78-40,001.82-9,137.76

Finding the Fourth Proportional to 26,667.78, 40,001.82 and 9,137.76

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Solution

The fourth proportional to 26,667.78, 40,001.82 and 9,137.76 is: 13,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,667.78 : 40,001.82 = 9,137.76 : x
  2. Step 2: Convert to fraction form
    26,667.78/40,001.82 = 9,137.76/x
  3. Step 3: Cross multiply
    26,667.78x = 40,001.82 × 9,137.76
  4. Step 4: Simplify right side
    26,667.78x = 365,527,030.72
  5. Step 5: Solve for x
    x = 365,527,030.72/26,667.78
  6. Step 6: Final answer
    x = 13,706.69

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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.