Home / 28,942.08-43,393.44-13,351.20

Finding the Fourth Proportional to 28,942.08, 43,393.44 and 13,351.20

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Solution

The fourth proportional to 28,942.08, 43,393.44 and 13,351.20 is: 20,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.08 : 43,393.44 = 13,351.20 : x
  2. Step 2: Convert to fraction form
    28,942.08/43,393.44 = 13,351.20/x
  3. Step 3: Cross multiply
    28,942.08x = 43,393.44 × 13,351.20
  4. Step 4: Simplify right side
    28,942.08x = 579,354,496.13
  5. Step 5: Solve for x
    x = 579,354,496.13/28,942.08
  6. Step 6: Final answer
    x = 20,017.72

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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.