Home / 27,382.83-37,792.20-15,447.27

Finding the Fourth Proportional to 27,382.83, 37,792.20 and 15,447.27

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Solution

The fourth proportional to 27,382.83, 37,792.20 and 15,447.27 is: 21,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.83 : 37,792.20 = 15,447.27 : x
  2. Step 2: Convert to fraction form
    27,382.83/37,792.20 = 15,447.27/x
  3. Step 3: Cross multiply
    27,382.83x = 37,792.20 × 15,447.27
  4. Step 4: Simplify right side
    27,382.83x = 583,786,317.29
  5. Step 5: Solve for x
    x = 583,786,317.29/27,382.83
  6. Step 6: Final answer
    x = 21,319.43

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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.