Home / 28,249.29-38,971.71-17,491.28

Finding the Fourth Proportional to 28,249.29, 38,971.71 and 17,491.28

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Solution

The fourth proportional to 28,249.29, 38,971.71 and 17,491.28 is: 24,130.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.29 : 38,971.71 = 17,491.28 : x
  2. Step 2: Convert to fraction form
    28,249.29/38,971.71 = 17,491.28/x
  3. Step 3: Cross multiply
    28,249.29x = 38,971.71 × 17,491.28
  4. Step 4: Simplify right side
    28,249.29x = 681,664,896.83
  5. Step 5: Solve for x
    x = 681,664,896.83/28,249.29
  6. Step 6: Final answer
    x = 24,130.34

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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.