Home / 28,043.01-42,072.63-9,067.24

Finding the Fourth Proportional to 28,043.01, 42,072.63 and 9,067.24

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Solution

The fourth proportional to 28,043.01, 42,072.63 and 9,067.24 is: 13,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043.01 : 42,072.63 = 9,067.24 : x
  2. Step 2: Convert to fraction form
    28,043.01/42,072.63 = 9,067.24/x
  3. Step 3: Cross multiply
    28,043.01x = 42,072.63 × 9,067.24
  4. Step 4: Simplify right side
    28,043.01x = 381,482,633.64
  5. Step 5: Solve for x
    x = 381,482,633.64/28,043.01
  6. Step 6: Final answer
    x = 13,603.48

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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.