Home / 27,183.77-37,515.87-15,085.40

Finding the Fourth Proportional to 27,183.77, 37,515.87 and 15,085.40

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Solution

The fourth proportional to 27,183.77, 37,515.87 and 15,085.40 is: 20,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,183.77 : 37,515.87 = 15,085.40 : x
  2. Step 2: Convert to fraction form
    27,183.77/37,515.87 = 15,085.40/x
  3. Step 3: Cross multiply
    27,183.77x = 37,515.87 × 15,085.40
  4. Step 4: Simplify right side
    27,183.77x = 565,941,717.72
  5. Step 5: Solve for x
    x = 565,941,717.72/27,183.77
  6. Step 6: Final answer
    x = 20,819.10

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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.