Home / 27,143.66-40,900.40-22,321.32

Finding the Fourth Proportional to 27,143.66, 40,900.40 and 22,321.32

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Solution

The fourth proportional to 27,143.66, 40,900.40 and 22,321.32 is: 33,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,143.66 : 40,900.40 = 22,321.32 : x
  2. Step 2: Convert to fraction form
    27,143.66/40,900.40 = 22,321.32/x
  3. Step 3: Cross multiply
    27,143.66x = 40,900.40 × 22,321.32
  4. Step 4: Simplify right side
    27,143.66x = 912,950,916.53
  5. Step 5: Solve for x
    x = 912,950,916.53/27,143.66
  6. Step 6: Final answer
    x = 33,634.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.