Home / 26,078.81-39,115.67-7,358.55

Finding the Fourth Proportional to 26,078.81, 39,115.67 and 7,358.55

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Solution

The fourth proportional to 26,078.81, 39,115.67 and 7,358.55 is: 11,037.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,078.81 : 39,115.67 = 7,358.55 : x
  2. Step 2: Convert to fraction form
    26,078.81/39,115.67 = 7,358.55/x
  3. Step 3: Cross multiply
    26,078.81x = 39,115.67 × 7,358.55
  4. Step 4: Simplify right side
    26,078.81x = 287,834,576.69
  5. Step 5: Solve for x
    x = 287,834,576.69/26,078.81
  6. Step 6: Final answer
    x = 11,037.11

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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.