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Finding the Fourth Proportional to 17,977.20, 24,808.32 and 10,019.44

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Solution

The fourth proportional to 17,977.20, 24,808.32 and 10,019.44 is: 13,826.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.20 : 24,808.32 = 10,019.44 : x
  2. Step 2: Convert to fraction form
    17,977.20/24,808.32 = 10,019.44/x
  3. Step 3: Cross multiply
    17,977.20x = 24,808.32 × 10,019.44
  4. Step 4: Simplify right side
    17,977.20x = 248,565,473.74
  5. Step 5: Solve for x
    x = 248,565,473.74/17,977.20
  6. Step 6: Final answer
    x = 13,826.71

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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.