Home / 27,963.51-38,588.46-15,216.75

Finding the Fourth Proportional to 27,963.51, 38,588.46 and 15,216.75

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Solution

The fourth proportional to 27,963.51, 38,588.46 and 15,216.75 is: 20,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,963.51 : 38,588.46 = 15,216.75 : x
  2. Step 2: Convert to fraction form
    27,963.51/38,588.46 = 15,216.75/x
  3. Step 3: Cross multiply
    27,963.51x = 38,588.46 × 15,216.75
  4. Step 4: Simplify right side
    27,963.51x = 587,190,948.71
  5. Step 5: Solve for x
    x = 587,190,948.71/27,963.51
  6. Step 6: Final answer
    x = 20,998.47

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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.