Home / 27,240.25-37,589.53-15,305.58

Finding the Fourth Proportional to 27,240.25, 37,589.53 and 15,305.58

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Solution

The fourth proportional to 27,240.25, 37,589.53 and 15,305.58 is: 21,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,240.25 : 37,589.53 = 15,305.58 : x
  2. Step 2: Convert to fraction form
    27,240.25/37,589.53 = 15,305.58/x
  3. Step 3: Cross multiply
    27,240.25x = 37,589.53 × 15,305.58
  4. Step 4: Simplify right side
    27,240.25x = 575,329,558.58
  5. Step 5: Solve for x
    x = 575,329,558.58/27,240.25
  6. Step 6: Final answer
    x = 21,120.57

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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.