Home / 26,460.59-39,670.07-18,115.31

Finding the Fourth Proportional to 26,460.59, 39,670.07 and 18,115.31

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Solution

The fourth proportional to 26,460.59, 39,670.07 and 18,115.31 is: 27,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,460.59 : 39,670.07 = 18,115.31 : x
  2. Step 2: Convert to fraction form
    26,460.59/39,670.07 = 18,115.31/x
  3. Step 3: Cross multiply
    26,460.59x = 39,670.07 × 18,115.31
  4. Step 4: Simplify right side
    26,460.59x = 718,635,615.77
  5. Step 5: Solve for x
    x = 718,635,615.77/26,460.59
  6. Step 6: Final answer
    x = 27,158.71

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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.