Home / 27,640.51-38,144.46-15,065.26

Finding the Fourth Proportional to 27,640.51, 38,144.46 and 15,065.26

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Solution

The fourth proportional to 27,640.51, 38,144.46 and 15,065.26 is: 20,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,640.51 : 38,144.46 = 15,065.26 : x
  2. Step 2: Convert to fraction form
    27,640.51/38,144.46 = 15,065.26/x
  3. Step 3: Cross multiply
    27,640.51x = 38,144.46 × 15,065.26
  4. Step 4: Simplify right side
    27,640.51x = 574,656,207.46
  5. Step 5: Solve for x
    x = 574,656,207.46/27,640.51
  6. Step 6: Final answer
    x = 20,790.36

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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.