Home / 28,067.44-38,723.16-18,001.32

Finding the Fourth Proportional to 28,067.44, 38,723.16 and 18,001.32

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Solution

The fourth proportional to 28,067.44, 38,723.16 and 18,001.32 is: 24,835.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,067.44 : 38,723.16 = 18,001.32 : x
  2. Step 2: Convert to fraction form
    28,067.44/38,723.16 = 18,001.32/x
  3. Step 3: Cross multiply
    28,067.44x = 38,723.16 × 18,001.32
  4. Step 4: Simplify right side
    28,067.44x = 697,067,994.57
  5. Step 5: Solve for x
    x = 697,067,994.57/28,067.44
  6. Step 6: Final answer
    x = 24,835.47

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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.