Home / 27,356.74-37,751.77-15,419.85

Finding the Fourth Proportional to 27,356.74, 37,751.77 and 15,419.85

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Solution

The fourth proportional to 27,356.74, 37,751.77 and 15,419.85 is: 21,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,356.74 : 37,751.77 = 15,419.85 : x
  2. Step 2: Convert to fraction form
    27,356.74/37,751.77 = 15,419.85/x
  3. Step 3: Cross multiply
    27,356.74x = 37,751.77 × 15,419.85
  4. Step 4: Simplify right side
    27,356.74x = 582,126,630.63
  5. Step 5: Solve for x
    x = 582,126,630.63/27,356.74
  6. Step 6: Final answer
    x = 21,279.09

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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.