Home / 26,443.84-39,640.26-9,799.36

Finding the Fourth Proportional to 26,443.84, 39,640.26 and 9,799.36

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Solution

The fourth proportional to 26,443.84, 39,640.26 and 9,799.36 is: 14,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.84 : 39,640.26 = 9,799.36 : x
  2. Step 2: Convert to fraction form
    26,443.84/39,640.26 = 9,799.36/x
  3. Step 3: Cross multiply
    26,443.84x = 39,640.26 × 9,799.36
  4. Step 4: Simplify right side
    26,443.84x = 388,449,178.23
  5. Step 5: Solve for x
    x = 388,449,178.23/26,443.84
  6. Step 6: Final answer
    x = 14,689.59

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1.5x scale

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.