Home / 27,661.26-38,172.62-15,086.01

Finding the Fourth Proportional to 27,661.26, 38,172.62 and 15,086.01

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Solution

The fourth proportional to 27,661.26, 38,172.62 and 15,086.01 is: 20,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,661.26 : 38,172.62 = 15,086.01 : x
  2. Step 2: Convert to fraction form
    27,661.26/38,172.62 = 15,086.01/x
  3. Step 3: Cross multiply
    27,661.26x = 38,172.62 × 15,086.01
  4. Step 4: Simplify right side
    27,661.26x = 575,872,564.76
  5. Step 5: Solve for x
    x = 575,872,564.76/27,661.26
  6. Step 6: Final answer
    x = 20,818.74

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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.