Home / 17,724.27-26,578.28-5,239.84

Finding the Fourth Proportional to 17,724.27, 26,578.28 and 5,239.84

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Solution

The fourth proportional to 17,724.27, 26,578.28 and 5,239.84 is: 7,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,724.27 : 26,578.28 = 5,239.84 : x
  2. Step 2: Convert to fraction form
    17,724.27/26,578.28 = 5,239.84/x
  3. Step 3: Cross multiply
    17,724.27x = 26,578.28 × 5,239.84
  4. Step 4: Simplify right side
    17,724.27x = 139,265,901.69
  5. Step 5: Solve for x
    x = 139,265,901.69/17,724.27
  6. Step 6: Final answer
    x = 7,857.36

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1.5x scale

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.