Home / 31,399.20-43,225.08-27,208.24

Finding the Fourth Proportional to 31,399.20, 43,225.08 and 27,208.24

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Solution

The fourth proportional to 31,399.20, 43,225.08 and 27,208.24 is: 37,455.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.20 : 43,225.08 = 27,208.24 : x
  2. Step 2: Convert to fraction form
    31,399.20/43,225.08 = 27,208.24/x
  3. Step 3: Cross multiply
    31,399.20x = 43,225.08 × 27,208.24
  4. Step 4: Simplify right side
    31,399.20x = 1,176,078,350.66
  5. Step 5: Solve for x
    x = 1,176,078,350.66/31,399.20
  6. Step 6: Final answer
    x = 37,455.68

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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.