Home / 34,643.28-47,807.76-18,727.73

Finding the Fourth Proportional to 34,643.28, 47,807.76 and 18,727.73

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Solution

The fourth proportional to 34,643.28, 47,807.76 and 18,727.73 is: 25,844.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,643.28 : 47,807.76 = 18,727.73 : x
  2. Step 2: Convert to fraction form
    34,643.28/47,807.76 = 18,727.73/x
  3. Step 3: Cross multiply
    34,643.28x = 47,807.76 × 18,727.73
  4. Step 4: Simplify right side
    34,643.28x = 895,330,821.18
  5. Step 5: Solve for x
    x = 895,330,821.18/34,643.28
  6. Step 6: Final answer
    x = 25,844.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.