Home / 19,927.26-27,499.82-10,975.10

Finding the Fourth Proportional to 19,927.26, 27,499.82 and 10,975.10

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Solution

The fourth proportional to 19,927.26, 27,499.82 and 10,975.10 is: 15,145.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.26 : 27,499.82 = 10,975.10 : x
  2. Step 2: Convert to fraction form
    19,927.26/27,499.82 = 10,975.10/x
  3. Step 3: Cross multiply
    19,927.26x = 27,499.82 × 10,975.10
  4. Step 4: Simplify right side
    19,927.26x = 301,813,274.48
  5. Step 5: Solve for x
    x = 301,813,274.48/19,927.26
  6. Step 6: Final answer
    x = 15,145.75

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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.