Home / 27,568.96-38,053.83-15,640.22

Finding the Fourth Proportional to 27,568.96, 38,053.83 and 15,640.22

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Solution

The fourth proportional to 27,568.96, 38,053.83 and 15,640.22 is: 21,588.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,568.96 : 38,053.83 = 15,640.22 : x
  2. Step 2: Convert to fraction form
    27,568.96/38,053.83 = 15,640.22/x
  3. Step 3: Cross multiply
    27,568.96x = 38,053.83 × 15,640.22
  4. Step 4: Simplify right side
    27,568.96x = 595,170,426.83
  5. Step 5: Solve for x
    x = 595,170,426.83/27,568.96
  6. Step 6: Final answer
    x = 21,588.43

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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.