Home / 27,102.57-37,403.85-15,168.21

Finding the Fourth Proportional to 27,102.57, 37,403.85 and 15,168.21

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Solution

The fourth proportional to 27,102.57, 37,403.85 and 15,168.21 is: 20,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,102.57 : 37,403.85 = 15,168.21 : x
  2. Step 2: Convert to fraction form
    27,102.57/37,403.85 = 15,168.21/x
  3. Step 3: Cross multiply
    27,102.57x = 37,403.85 × 15,168.21
  4. Step 4: Simplify right side
    27,102.57x = 567,349,535.96
  5. Step 5: Solve for x
    x = 567,349,535.96/27,102.57
  6. Step 6: Final answer
    x = 20,933.42

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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.