Home / 22,438.28-30,946.62-19,743.68

Finding the Fourth Proportional to 22,438.28, 30,946.62 and 19,743.68

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Solution

The fourth proportional to 22,438.28, 30,946.62 and 19,743.68 is: 27,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.28 : 30,946.62 = 19,743.68 : x
  2. Step 2: Convert to fraction form
    22,438.28/30,946.62 = 19,743.68/x
  3. Step 3: Cross multiply
    22,438.28x = 30,946.62 × 19,743.68
  4. Step 4: Simplify right side
    22,438.28x = 611,000,162.36
  5. Step 5: Solve for x
    x = 611,000,162.36/22,438.28
  6. Step 6: Final answer
    x = 27,230.26

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1.5x scale

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.