Home / 27,018.46-37,285.50-15,081.78

Finding the Fourth Proportional to 27,018.46, 37,285.50 and 15,081.78

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Solution

The fourth proportional to 27,018.46, 37,285.50 and 15,081.78 is: 20,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,018.46 : 37,285.50 = 15,081.78 : x
  2. Step 2: Convert to fraction form
    27,018.46/37,285.50 = 15,081.78/x
  3. Step 3: Cross multiply
    27,018.46x = 37,285.50 × 15,081.78
  4. Step 4: Simplify right side
    27,018.46x = 562,331,708.19
  5. Step 5: Solve for x
    x = 562,331,708.19/27,018.46
  6. Step 6: Final answer
    x = 20,812.87

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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.