Home / 26,444.78-39,677.55-11,643.31

Finding the Fourth Proportional to 26,444.78, 39,677.55 and 11,643.31

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Solution

The fourth proportional to 26,444.78, 39,677.55 and 11,643.31 is: 17,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,444.78 : 39,677.55 = 11,643.31 : x
  2. Step 2: Convert to fraction form
    26,444.78/39,677.55 = 11,643.31/x
  3. Step 3: Cross multiply
    26,444.78x = 39,677.55 × 11,643.31
  4. Step 4: Simplify right side
    26,444.78x = 461,978,014.69
  5. Step 5: Solve for x
    x = 461,978,014.69/26,444.78
  6. Step 6: Final answer
    x = 17,469.54

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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.