Home / 27,143.88-37,445.42-22,371.36

Finding the Fourth Proportional to 27,143.88, 37,445.42 and 22,371.36

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Solution

The fourth proportional to 27,143.88, 37,445.42 and 22,371.36 is: 30,861.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.88 : 37,445.42 = 22,371.36 : x
  2. Step 2: Convert to fraction form
    27,143.88/37,445.42 = 22,371.36/x
  3. Step 3: Cross multiply
    27,143.88x = 37,445.42 × 22,371.36
  4. Step 4: Simplify right side
    27,143.88x = 837,704,971.17
  5. Step 5: Solve for x
    x = 837,704,971.17/27,143.88
  6. Step 6: Final answer
    x = 30,861.65

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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.