Home / 26,405.12-39,579.87-9,754.49

Finding the Fourth Proportional to 26,405.12, 39,579.87 and 9,754.49

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Solution

The fourth proportional to 26,405.12, 39,579.87 and 9,754.49 is: 14,621.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,405.12 : 39,579.87 = 9,754.49 : x
  2. Step 2: Convert to fraction form
    26,405.12/39,579.87 = 9,754.49/x
  3. Step 3: Cross multiply
    26,405.12x = 39,579.87 × 9,754.49
  4. Step 4: Simplify right side
    26,405.12x = 386,081,446.12
  5. Step 5: Solve for x
    x = 386,081,446.12/26,405.12
  6. Step 6: Final answer
    x = 14,621.46

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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.