Home / 27,221.47-37,560.51-15,284.09

Finding the Fourth Proportional to 27,221.47, 37,560.51 and 15,284.09

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Solution

The fourth proportional to 27,221.47, 37,560.51 and 15,284.09 is: 21,089.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,221.47 : 37,560.51 = 15,284.09 : x
  2. Step 2: Convert to fraction form
    27,221.47/37,560.51 = 15,284.09/x
  3. Step 3: Cross multiply
    27,221.47x = 37,560.51 × 15,284.09
  4. Step 4: Simplify right side
    27,221.47x = 574,078,309.19
  5. Step 5: Solve for x
    x = 574,078,309.19/27,221.47
  6. Step 6: Final answer
    x = 21,089.18

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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.