Home / 26,449.12-39,634-15,329.76

Finding the Fourth Proportional to 26,449.12, 39,634 and 15,329.76

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Solution

The fourth proportional to 26,449.12, 39,634 and 15,329.76 is: 22,971.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,449.12 : 39,634 = 15,329.76 : x
  2. Step 2: Convert to fraction form
    26,449.12/39,634 = 15,329.76/x
  3. Step 3: Cross multiply
    26,449.12x = 39,634 × 15,329.76
  4. Step 4: Simplify right side
    26,449.12x = 607,579,707.84
  5. Step 5: Solve for x
    x = 607,579,707.84/26,449.12
  6. Step 6: Final answer
    x = 22,971.64

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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.