Home / 28,114.94-42,181.06-10,587.36

Finding the Fourth Proportional to 28,114.94, 42,181.06 and 10,587.36

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Solution

The fourth proportional to 28,114.94, 42,181.06 and 10,587.36 is: 15,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,114.94 : 42,181.06 = 10,587.36 : x
  2. Step 2: Convert to fraction form
    28,114.94/42,181.06 = 10,587.36/x
  3. Step 3: Cross multiply
    28,114.94x = 42,181.06 × 10,587.36
  4. Step 4: Simplify right side
    28,114.94x = 446,586,067.40
  5. Step 5: Solve for x
    x = 446,586,067.40/28,114.94
  6. Step 6: Final answer
    x = 15,884.30

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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.