Home / 28,046.66-38,708.55-18,485.08

Finding the Fourth Proportional to 28,046.66, 38,708.55 and 18,485.08

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Solution

The fourth proportional to 28,046.66, 38,708.55 and 18,485.08 is: 25,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.66 : 38,708.55 = 18,485.08 : x
  2. Step 2: Convert to fraction form
    28,046.66/38,708.55 = 18,485.08/x
  3. Step 3: Cross multiply
    28,046.66x = 38,708.55 × 18,485.08
  4. Step 4: Simplify right side
    28,046.66x = 715,530,546.66
  5. Step 5: Solve for x
    x = 715,530,546.66/28,046.66
  6. Step 6: Final answer
    x = 25,512.15

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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.