Home / 27,080.79-37,369.80-15,144.99

Finding the Fourth Proportional to 27,080.79, 37,369.80 and 15,144.99

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Solution

The fourth proportional to 27,080.79, 37,369.80 and 15,144.99 is: 20,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,080.79 : 37,369.80 = 15,144.99 : x
  2. Step 2: Convert to fraction form
    27,080.79/37,369.80 = 15,144.99/x
  3. Step 3: Cross multiply
    27,080.79x = 37,369.80 × 15,144.99
  4. Step 4: Simplify right side
    27,080.79x = 565,965,247.30
  5. Step 5: Solve for x
    x = 565,965,247.30/27,080.79
  6. Step 6: Final answer
    x = 20,899.14

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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.