Home / 26,089.07-39,138.48-11,858.58

Finding the Fourth Proportional to 26,089.07, 39,138.48 and 11,858.58

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Solution

The fourth proportional to 26,089.07, 39,138.48 and 11,858.58 is: 17,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,089.07 : 39,138.48 = 11,858.58 : x
  2. Step 2: Convert to fraction form
    26,089.07/39,138.48 = 11,858.58/x
  3. Step 3: Cross multiply
    26,089.07x = 39,138.48 × 11,858.58
  4. Step 4: Simplify right side
    26,089.07x = 464,126,796.16
  5. Step 5: Solve for x
    x = 464,126,796.16/26,089.07
  6. Step 6: Final answer
    x = 17,790.09

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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.