Home / 27,185.58-37,518-15,086.69

Finding the Fourth Proportional to 27,185.58, 37,518 and 15,086.69

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Solution

The fourth proportional to 27,185.58, 37,518 and 15,086.69 is: 20,820.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.58 : 37,518 = 15,086.69 : x
  2. Step 2: Convert to fraction form
    27,185.58/37,518 = 15,086.69/x
  3. Step 3: Cross multiply
    27,185.58x = 37,518 × 15,086.69
  4. Step 4: Simplify right side
    27,185.58x = 566,022,247.83
  5. Step 5: Solve for x
    x = 566,022,247.83/27,185.58
  6. Step 6: Final answer
    x = 20,820.68

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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.