Home / 27,535.74-38,015.06-18,131.64

Finding the Fourth Proportional to 27,535.74, 38,015.06 and 18,131.64

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Solution

The fourth proportional to 27,535.74, 38,015.06 and 18,131.64 is: 25,032.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,535.74 : 38,015.06 = 18,131.64 : x
  2. Step 2: Convert to fraction form
    27,535.74/38,015.06 = 18,131.64/x
  3. Step 3: Cross multiply
    27,535.74x = 38,015.06 × 18,131.64
  4. Step 4: Simplify right side
    27,535.74x = 689,275,149.28
  5. Step 5: Solve for x
    x = 689,275,149.28/27,535.74
  6. Step 6: Final answer
    x = 25,032.02

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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.