Home / 27,022.70-37,289.78-15,086.80

Finding the Fourth Proportional to 27,022.70, 37,289.78 and 15,086.80

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Solution

The fourth proportional to 27,022.70, 37,289.78 and 15,086.80 is: 20,818.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,022.70 : 37,289.78 = 15,086.80 : x
  2. Step 2: Convert to fraction form
    27,022.70/37,289.78 = 15,086.80/x
  3. Step 3: Cross multiply
    27,022.70x = 37,289.78 × 15,086.80
  4. Step 4: Simplify right side
    27,022.70x = 562,583,284.25
  5. Step 5: Solve for x
    x = 562,583,284.25/27,022.70
  6. Step 6: Final answer
    x = 20,818.91

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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.