Home / 27,021.20-37,287.71-15,085.30

Finding the Fourth Proportional to 27,021.20, 37,287.71 and 15,085.30

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Solution

The fourth proportional to 27,021.20, 37,287.71 and 15,085.30 is: 20,816.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,021.20 : 37,287.71 = 15,085.30 : x
  2. Step 2: Convert to fraction form
    27,021.20/37,287.71 = 15,085.30/x
  3. Step 3: Cross multiply
    27,021.20x = 37,287.71 × 15,085.30
  4. Step 4: Simplify right side
    27,021.20x = 562,496,236.16
  5. Step 5: Solve for x
    x = 562,496,236.16/27,021.20
  6. Step 6: Final answer
    x = 20,816.85

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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.