Home / 27,288.71-37,658.01-15,352.06

Finding the Fourth Proportional to 27,288.71, 37,658.01 and 15,352.06

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Solution

The fourth proportional to 27,288.71, 37,658.01 and 15,352.06 is: 21,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.71 : 37,658.01 = 15,352.06 : x
  2. Step 2: Convert to fraction form
    27,288.71/37,658.01 = 15,352.06/x
  3. Step 3: Cross multiply
    27,288.71x = 37,658.01 × 15,352.06
  4. Step 4: Simplify right side
    27,288.71x = 578,128,029.00
  5. Step 5: Solve for x
    x = 578,128,029.00/27,288.71
  6. Step 6: Final answer
    x = 21,185.61

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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.