Home / 19,224.08-28,836.12-7,542.80

Finding the Fourth Proportional to 19,224.08, 28,836.12 and 7,542.80

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Solution

The fourth proportional to 19,224.08, 28,836.12 and 7,542.80 is: 11,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,224.08 : 28,836.12 = 7,542.80 : x
  2. Step 2: Convert to fraction form
    19,224.08/28,836.12 = 7,542.80/x
  3. Step 3: Cross multiply
    19,224.08x = 28,836.12 × 7,542.80
  4. Step 4: Simplify right side
    19,224.08x = 217,505,085.94
  5. Step 5: Solve for x
    x = 217,505,085.94/19,224.08
  6. Step 6: Final answer
    x = 11,314.20

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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.