Home / 19,792.26-27,312.27-10,839.72

Finding the Fourth Proportional to 19,792.26, 27,312.27 and 10,839.72

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Solution

The fourth proportional to 19,792.26, 27,312.27 and 10,839.72 is: 14,958.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,792.26 : 27,312.27 = 10,839.72 : x
  2. Step 2: Convert to fraction form
    19,792.26/27,312.27 = 10,839.72/x
  3. Step 3: Cross multiply
    19,792.26x = 27,312.27 × 10,839.72
  4. Step 4: Simplify right side
    19,792.26x = 296,057,359.36
  5. Step 5: Solve for x
    x = 296,057,359.36/19,792.26
  6. Step 6: Final answer
    x = 14,958.24

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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.