Home / 20,002.72-27,603.30-11,050.24

Finding the Fourth Proportional to 20,002.72, 27,603.30 and 11,050.24

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Solution

The fourth proportional to 20,002.72, 27,603.30 and 11,050.24 is: 15,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002.72 : 27,603.30 = 11,050.24 : x
  2. Step 2: Convert to fraction form
    20,002.72/27,603.30 = 11,050.24/x
  3. Step 3: Cross multiply
    20,002.72x = 27,603.30 × 11,050.24
  4. Step 4: Simplify right side
    20,002.72x = 305,023,089.79
  5. Step 5: Solve for x
    x = 305,023,089.79/20,002.72
  6. Step 6: Final answer
    x = 15,249.08

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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.