Home / 27,991.26-38,635.65-19,053.72

Finding the Fourth Proportional to 27,991.26, 38,635.65 and 19,053.72

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Solution

The fourth proportional to 27,991.26, 38,635.65 and 19,053.72 is: 26,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,991.26 : 38,635.65 = 19,053.72 : x
  2. Step 2: Convert to fraction form
    27,991.26/38,635.65 = 19,053.72/x
  3. Step 3: Cross multiply
    27,991.26x = 38,635.65 × 19,053.72
  4. Step 4: Simplify right side
    27,991.26x = 736,152,857.12
  5. Step 5: Solve for x
    x = 736,152,857.12/27,991.26
  6. Step 6: Final answer
    x = 26,299.38

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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.