Home / 39,326.21-58,976.33-15,639.63

Finding the Fourth Proportional to 39,326.21, 58,976.33 and 15,639.63

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Solution

The fourth proportional to 39,326.21, 58,976.33 and 15,639.63 is: 23,454.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,326.21 : 58,976.33 = 15,639.63 : x
  2. Step 2: Convert to fraction form
    39,326.21/58,976.33 = 15,639.63/x
  3. Step 3: Cross multiply
    39,326.21x = 58,976.33 × 15,639.63
  4. Step 4: Simplify right side
    39,326.21x = 922,368,056.33
  5. Step 5: Solve for x
    x = 922,368,056.33/39,326.21
  6. Step 6: Final answer
    x = 23,454.28

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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.