Home / 27,370.18-40,952.75-19,490.90

Finding the Fourth Proportional to 27,370.18, 40,952.75 and 19,490.90

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Solution

The fourth proportional to 27,370.18, 40,952.75 and 19,490.90 is: 29,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,370.18 : 40,952.75 = 19,490.90 : x
  2. Step 2: Convert to fraction form
    27,370.18/40,952.75 = 19,490.90/x
  3. Step 3: Cross multiply
    27,370.18x = 40,952.75 × 19,490.90
  4. Step 4: Simplify right side
    27,370.18x = 798,205,954.98
  5. Step 5: Solve for x
    x = 798,205,954.98/27,370.18
  6. Step 6: Final answer
    x = 29,163.34

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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.