Home / 28,831.77-43,257.96-10,116.99

Finding the Fourth Proportional to 28,831.77, 43,257.96 and 10,116.99

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Solution

The fourth proportional to 28,831.77, 43,257.96 and 10,116.99 is: 15,179.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,831.77 : 43,257.96 = 10,116.99 : x
  2. Step 2: Convert to fraction form
    28,831.77/43,257.96 = 10,116.99/x
  3. Step 3: Cross multiply
    28,831.77x = 43,257.96 × 10,116.99
  4. Step 4: Simplify right side
    28,831.77x = 437,640,348.74
  5. Step 5: Solve for x
    x = 437,640,348.74/28,831.77
  6. Step 6: Final answer
    x = 15,179.10

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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.