Home / 27,216.64-37,556.94-15,281.80

Finding the Fourth Proportional to 27,216.64, 37,556.94 and 15,281.80

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Solution

The fourth proportional to 27,216.64, 37,556.94 and 15,281.80 is: 21,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,216.64 : 37,556.94 = 15,281.80 : x
  2. Step 2: Convert to fraction form
    27,216.64/37,556.94 = 15,281.80/x
  3. Step 3: Cross multiply
    27,216.64x = 37,556.94 × 15,281.80
  4. Step 4: Simplify right side
    27,216.64x = 573,937,645.69
  5. Step 5: Solve for x
    x = 573,937,645.69/27,216.64
  6. Step 6: Final answer
    x = 21,087.75

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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.