Home / 27,291.66-37,660.47-15,352.70

Finding the Fourth Proportional to 27,291.66, 37,660.47 and 15,352.70

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Solution

The fourth proportional to 27,291.66, 37,660.47 and 15,352.70 is: 21,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,291.66 : 37,660.47 = 15,352.70 : x
  2. Step 2: Convert to fraction form
    27,291.66/37,660.47 = 15,352.70/x
  3. Step 3: Cross multiply
    27,291.66x = 37,660.47 × 15,352.70
  4. Step 4: Simplify right side
    27,291.66x = 578,189,709.47
  5. Step 5: Solve for x
    x = 578,189,709.47/27,291.66
  6. Step 6: Final answer
    x = 21,185.58

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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.