Home / 26,281.86-39,427.97-9,642.03

Finding the Fourth Proportional to 26,281.86, 39,427.97 and 9,642.03

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Solution

The fourth proportional to 26,281.86, 39,427.97 and 9,642.03 is: 14,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,281.86 : 39,427.97 = 9,642.03 : x
  2. Step 2: Convert to fraction form
    26,281.86/39,427.97 = 9,642.03/x
  3. Step 3: Cross multiply
    26,281.86x = 39,427.97 × 9,642.03
  4. Step 4: Simplify right side
    26,281.86x = 380,165,669.58
  5. Step 5: Solve for x
    x = 380,165,669.58/26,281.86
  6. Step 6: Final answer
    x = 14,464.95

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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.