Home / 27,284.85-37,657.61-17,218.78

Finding the Fourth Proportional to 27,284.85, 37,657.61 and 17,218.78

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Solution

The fourth proportional to 27,284.85, 37,657.61 and 17,218.78 is: 23,764.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,284.85 : 37,657.61 = 17,218.78 : x
  2. Step 2: Convert to fraction form
    27,284.85/37,657.61 = 17,218.78/x
  3. Step 3: Cross multiply
    27,284.85x = 37,657.61 × 17,218.78
  4. Step 4: Simplify right side
    27,284.85x = 648,417,986.25
  5. Step 5: Solve for x
    x = 648,417,986.25/27,284.85
  6. Step 6: Final answer
    x = 23,764.76

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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.