Home / 26,099.28-39,155.36-7,631.28

Finding the Fourth Proportional to 26,099.28, 39,155.36 and 7,631.28

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Solution

The fourth proportional to 26,099.28, 39,155.36 and 7,631.28 is: 11,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,099.28 : 39,155.36 = 7,631.28 : x
  2. Step 2: Convert to fraction form
    26,099.28/39,155.36 = 7,631.28/x
  3. Step 3: Cross multiply
    26,099.28x = 39,155.36 × 7,631.28
  4. Step 4: Simplify right side
    26,099.28x = 298,805,515.66
  5. Step 5: Solve for x
    x = 298,805,515.66/26,099.28
  6. Step 6: Final answer
    x = 11,448.80

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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.