Home / 19,277.22-28,896.12-10,939.62

Finding the Fourth Proportional to 19,277.22, 28,896.12 and 10,939.62

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Solution

The fourth proportional to 19,277.22, 28,896.12 and 10,939.62 is: 16,398.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,277.22 : 28,896.12 = 10,939.62 : x
  2. Step 2: Convert to fraction form
    19,277.22/28,896.12 = 10,939.62/x
  3. Step 3: Cross multiply
    19,277.22x = 28,896.12 × 10,939.62
  4. Step 4: Simplify right side
    19,277.22x = 316,112,572.27
  5. Step 5: Solve for x
    x = 316,112,572.27/19,277.22
  6. Step 6: Final answer
    x = 16,398.24

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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.