Home / 18,032.46-27,029.52-10,640.40

Finding the Fourth Proportional to 18,032.46, 27,029.52 and 10,640.40

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Solution

The fourth proportional to 18,032.46, 27,029.52 and 10,640.40 is: 15,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.46 : 27,029.52 = 10,640.40 : x
  2. Step 2: Convert to fraction form
    18,032.46/27,029.52 = 10,640.40/x
  3. Step 3: Cross multiply
    18,032.46x = 27,029.52 × 10,640.40
  4. Step 4: Simplify right side
    18,032.46x = 287,604,904.61
  5. Step 5: Solve for x
    x = 287,604,904.61/18,032.46
  6. Step 6: Final answer
    x = 15,949.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.