Home / 27,436.50-37,847.79-18,468.72

Finding the Fourth Proportional to 27,436.50, 37,847.79 and 18,468.72

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Solution

The fourth proportional to 27,436.50, 37,847.79 and 18,468.72 is: 25,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,436.50 : 37,847.79 = 18,468.72 : x
  2. Step 2: Convert to fraction form
    27,436.50/37,847.79 = 18,468.72/x
  3. Step 3: Cross multiply
    27,436.50x = 37,847.79 × 18,468.72
  4. Step 4: Simplify right side
    27,436.50x = 699,000,236.13
  5. Step 5: Solve for x
    x = 699,000,236.13/27,436.50
  6. Step 6: Final answer
    x = 25,477.02

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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.