Home / 21,675.54-29,936.93-14,589.66

Finding the Fourth Proportional to 21,675.54, 29,936.93 and 14,589.66

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Solution

The fourth proportional to 21,675.54, 29,936.93 and 14,589.66 is: 20,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,675.54 : 29,936.93 = 14,589.66 : x
  2. Step 2: Convert to fraction form
    21,675.54/29,936.93 = 14,589.66/x
  3. Step 3: Cross multiply
    21,675.54x = 29,936.93 × 14,589.66
  4. Step 4: Simplify right side
    21,675.54x = 436,769,557.20
  5. Step 5: Solve for x
    x = 436,769,557.20/21,675.54
  6. Step 6: Final answer
    x = 20,150.34

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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.