Home / 26,429.40-39,643.83-8,899.11

Finding the Fourth Proportional to 26,429.40, 39,643.83 and 8,899.11

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Solution

The fourth proportional to 26,429.40, 39,643.83 and 8,899.11 is: 13,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.40 : 39,643.83 = 8,899.11 : x
  2. Step 2: Convert to fraction form
    26,429.40/39,643.83 = 8,899.11/x
  3. Step 3: Cross multiply
    26,429.40x = 39,643.83 × 8,899.11
  4. Step 4: Simplify right side
    26,429.40x = 352,794,803.99
  5. Step 5: Solve for x
    x = 352,794,803.99/26,429.40
  6. Step 6: Final answer
    x = 13,348.57

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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.