Home / 27,147.85-37,464.77-15,210.92

Finding the Fourth Proportional to 27,147.85, 37,464.77 and 15,210.92

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Solution

The fourth proportional to 27,147.85, 37,464.77 and 15,210.92 is: 20,991.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,147.85 : 37,464.77 = 15,210.92 : x
  2. Step 2: Convert to fraction form
    27,147.85/37,464.77 = 15,210.92/x
  3. Step 3: Cross multiply
    27,147.85x = 37,464.77 × 15,210.92
  4. Step 4: Simplify right side
    27,147.85x = 569,873,750.98
  5. Step 5: Solve for x
    x = 569,873,750.98/27,147.85
  6. Step 6: Final answer
    x = 20,991.49

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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.