Home / 26,488.19-39,727.89-8,719.08

Finding the Fourth Proportional to 26,488.19, 39,727.89 and 8,719.08

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Solution

The fourth proportional to 26,488.19, 39,727.89 and 8,719.08 is: 13,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,488.19 : 39,727.89 = 8,719.08 : x
  2. Step 2: Convert to fraction form
    26,488.19/39,727.89 = 8,719.08/x
  3. Step 3: Cross multiply
    26,488.19x = 39,727.89 × 8,719.08
  4. Step 4: Simplify right side
    26,488.19x = 346,390,651.14
  5. Step 5: Solve for x
    x = 346,390,651.14/26,488.19
  6. Step 6: Final answer
    x = 13,077.18

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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.