Home / 28,195.20-42,292.74-11,552.22

Finding the Fourth Proportional to 28,195.20, 42,292.74 and 11,552.22

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Solution

The fourth proportional to 28,195.20, 42,292.74 and 11,552.22 is: 17,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,195.20 : 42,292.74 = 11,552.22 : x
  2. Step 2: Convert to fraction form
    28,195.20/42,292.74 = 11,552.22/x
  3. Step 3: Cross multiply
    28,195.20x = 42,292.74 × 11,552.22
  4. Step 4: Simplify right side
    28,195.20x = 488,575,036.88
  5. Step 5: Solve for x
    x = 488,575,036.88/28,195.20
  6. Step 6: Final answer
    x = 17,328.31

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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.