Home / 26,440.11-39,656.25-7,715.12

Finding the Fourth Proportional to 26,440.11, 39,656.25 and 7,715.12

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Solution

The fourth proportional to 26,440.11, 39,656.25 and 7,715.12 is: 11,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.11 : 39,656.25 = 7,715.12 : x
  2. Step 2: Convert to fraction form
    26,440.11/39,656.25 = 7,715.12/x
  3. Step 3: Cross multiply
    26,440.11x = 39,656.25 × 7,715.12
  4. Step 4: Simplify right side
    26,440.11x = 305,952,727.50
  5. Step 5: Solve for x
    x = 305,952,727.50/26,440.11
  6. Step 6: Final answer
    x = 11,571.54

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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.