Home / 27,249.20-37,605.24-15,316.28

Finding the Fourth Proportional to 27,249.20, 37,605.24 and 15,316.28

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Solution

The fourth proportional to 27,249.20, 37,605.24 and 15,316.28 is: 21,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,249.20 : 37,605.24 = 15,316.28 : x
  2. Step 2: Convert to fraction form
    27,249.20/37,605.24 = 15,316.28/x
  3. Step 3: Cross multiply
    27,249.20x = 37,605.24 × 15,316.28
  4. Step 4: Simplify right side
    27,249.20x = 575,972,385.31
  5. Step 5: Solve for x
    x = 575,972,385.31/27,249.20
  6. Step 6: Final answer
    x = 21,137.22

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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.