Home / 28,643.33-42,977.73-11,114.51

Finding the Fourth Proportional to 28,643.33, 42,977.73 and 11,114.51

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Solution

The fourth proportional to 28,643.33, 42,977.73 and 11,114.51 is: 16,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643.33 : 42,977.73 = 11,114.51 : x
  2. Step 2: Convert to fraction form
    28,643.33/42,977.73 = 11,114.51/x
  3. Step 3: Cross multiply
    28,643.33x = 42,977.73 × 11,114.51
  4. Step 4: Simplify right side
    28,643.33x = 477,676,409.86
  5. Step 5: Solve for x
    x = 477,676,409.86/28,643.33
  6. Step 6: Final answer
    x = 16,676.71

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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.