Home / 19,208.60-28,805.52-5,879.12

Finding the Fourth Proportional to 19,208.60, 28,805.52 and 5,879.12

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Solution

The fourth proportional to 19,208.60, 28,805.52 and 5,879.12 is: 8,816.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.60 : 28,805.52 = 5,879.12 : x
  2. Step 2: Convert to fraction form
    19,208.60/28,805.52 = 5,879.12/x
  3. Step 3: Cross multiply
    19,208.60x = 28,805.52 × 5,879.12
  4. Step 4: Simplify right side
    19,208.60x = 169,351,108.74
  5. Step 5: Solve for x
    x = 169,351,108.74/19,208.60
  6. Step 6: Final answer
    x = 8,816.42

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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.