Home / 26,689.82-40,030.18-8,918.46

Finding the Fourth Proportional to 26,689.82, 40,030.18 and 8,918.46

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Solution

The fourth proportional to 26,689.82, 40,030.18 and 8,918.46 is: 13,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.82 : 40,030.18 = 8,918.46 : x
  2. Step 2: Convert to fraction form
    26,689.82/40,030.18 = 8,918.46/x
  3. Step 3: Cross multiply
    26,689.82x = 40,030.18 × 8,918.46
  4. Step 4: Simplify right side
    26,689.82x = 357,007,559.12
  5. Step 5: Solve for x
    x = 357,007,559.12/26,689.82
  6. Step 6: Final answer
    x = 13,376.17

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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.