Home / 19,855.26-27,400.28-10,902.99

Finding the Fourth Proportional to 19,855.26, 27,400.28 and 10,902.99

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Solution

The fourth proportional to 19,855.26, 27,400.28 and 10,902.99 is: 15,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.26 : 27,400.28 = 10,902.99 : x
  2. Step 2: Convert to fraction form
    19,855.26/27,400.28 = 10,902.99/x
  3. Step 3: Cross multiply
    19,855.26x = 27,400.28 × 10,902.99
  4. Step 4: Simplify right side
    19,855.26x = 298,744,924.32
  5. Step 5: Solve for x
    x = 298,744,924.32/19,855.26
  6. Step 6: Final answer
    x = 15,046.14

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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.