Home / 27,521.78-37,984.26-22,200.08

Finding the Fourth Proportional to 27,521.78, 37,984.26 and 22,200.08

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Solution

The fourth proportional to 27,521.78, 37,984.26 and 22,200.08 is: 30,639.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,521.78 : 37,984.26 = 22,200.08 : x
  2. Step 2: Convert to fraction form
    27,521.78/37,984.26 = 22,200.08/x
  3. Step 3: Cross multiply
    27,521.78x = 37,984.26 × 22,200.08
  4. Step 4: Simplify right side
    27,521.78x = 843,253,610.74
  5. Step 5: Solve for x
    x = 843,253,610.74/27,521.78
  6. Step 6: Final answer
    x = 30,639.50

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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.