Home / 28,605.60-42,899.18-26,739.81

Finding the Fourth Proportional to 28,605.60, 42,899.18 and 26,739.81

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Solution

The fourth proportional to 28,605.60, 42,899.18 and 26,739.81 is: 40,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.60 : 42,899.18 = 26,739.81 : x
  2. Step 2: Convert to fraction form
    28,605.60/42,899.18 = 26,739.81/x
  3. Step 3: Cross multiply
    28,605.60x = 42,899.18 × 26,739.81
  4. Step 4: Simplify right side
    28,605.60x = 1,147,115,788.66
  5. Step 5: Solve for x
    x = 1,147,115,788.66/28,605.60
  6. Step 6: Final answer
    x = 40,101.09

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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.