Home / 27,180.03-37,509.39-15,847.71

Finding the Fourth Proportional to 27,180.03, 37,509.39 and 15,847.71

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Solution

The fourth proportional to 27,180.03, 37,509.39 and 15,847.71 is: 21,870.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,180.03 : 37,509.39 = 15,847.71 : x
  2. Step 2: Convert to fraction form
    27,180.03/37,509.39 = 15,847.71/x
  3. Step 3: Cross multiply
    27,180.03x = 37,509.39 × 15,847.71
  4. Step 4: Simplify right side
    27,180.03x = 594,437,935.00
  5. Step 5: Solve for x
    x = 594,437,935.00/27,180.03
  6. Step 6: Final answer
    x = 21,870.39

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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.