Home / 27,020.43-37,287.57-15,084.90

Finding the Fourth Proportional to 27,020.43, 37,287.57 and 15,084.90

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Solution

The fourth proportional to 27,020.43, 37,287.57 and 15,084.90 is: 20,816.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.43 : 37,287.57 = 15,084.90 : x
  2. Step 2: Convert to fraction form
    27,020.43/37,287.57 = 15,084.90/x
  3. Step 3: Cross multiply
    27,020.43x = 37,287.57 × 15,084.90
  4. Step 4: Simplify right side
    27,020.43x = 562,479,264.69
  5. Step 5: Solve for x
    x = 562,479,264.69/27,020.43
  6. Step 6: Final answer
    x = 20,816.81

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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.