Home / 27,419.12-37,838.31-15,482.22

Finding the Fourth Proportional to 27,419.12, 37,838.31 and 15,482.22

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Solution

The fourth proportional to 27,419.12, 37,838.31 and 15,482.22 is: 21,365.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.12 : 37,838.31 = 15,482.22 : x
  2. Step 2: Convert to fraction form
    27,419.12/37,838.31 = 15,482.22/x
  3. Step 3: Cross multiply
    27,419.12x = 37,838.31 × 15,482.22
  4. Step 4: Simplify right side
    27,419.12x = 585,821,039.85
  5. Step 5: Solve for x
    x = 585,821,039.85/27,419.12
  6. Step 6: Final answer
    x = 21,365.42

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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.