Home / 27,278.99-37,641.94-15,342.07

Finding the Fourth Proportional to 27,278.99, 37,641.94 and 15,342.07

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Solution

The fourth proportional to 27,278.99, 37,641.94 and 15,342.07 is: 21,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,278.99 : 37,641.94 = 15,342.07 : x
  2. Step 2: Convert to fraction form
    27,278.99/37,641.94 = 15,342.07/x
  3. Step 3: Cross multiply
    27,278.99x = 37,641.94 × 15,342.07
  4. Step 4: Simplify right side
    27,278.99x = 577,505,278.42
  5. Step 5: Solve for x
    x = 577,505,278.42/27,278.99
  6. Step 6: Final answer
    x = 21,170.33

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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.