Home / 27,021.95-37,288.74-15,086.05

Finding the Fourth Proportional to 27,021.95, 37,288.74 and 15,086.05

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Solution

The fourth proportional to 27,021.95, 37,288.74 and 15,086.05 is: 20,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.95 : 37,288.74 = 15,086.05 : x
  2. Step 2: Convert to fraction form
    27,021.95/37,288.74 = 15,086.05/x
  3. Step 3: Cross multiply
    27,021.95x = 37,288.74 × 15,086.05
  4. Step 4: Simplify right side
    27,021.95x = 562,539,759.43
  5. Step 5: Solve for x
    x = 562,539,759.43/27,021.95
  6. Step 6: Final answer
    x = 20,817.88

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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.