Home / 20,015.68-27,614.88-11,625.28

Finding the Fourth Proportional to 20,015.68, 27,614.88 and 11,625.28

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Solution

The fourth proportional to 20,015.68, 27,614.88 and 11,625.28 is: 16,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.68 : 27,614.88 = 11,625.28 : x
  2. Step 2: Convert to fraction form
    20,015.68/27,614.88 = 11,625.28/x
  3. Step 3: Cross multiply
    20,015.68x = 27,614.88 × 11,625.28
  4. Step 4: Simplify right side
    20,015.68x = 321,030,712.17
  5. Step 5: Solve for x
    x = 321,030,712.17/20,015.68
  6. Step 6: Final answer
    x = 16,038.96

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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.