Home / 28,832.72-39,783.12-17,508.20

Finding the Fourth Proportional to 28,832.72, 39,783.12 and 17,508.20

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Solution

The fourth proportional to 28,832.72, 39,783.12 and 17,508.20 is: 24,157.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.72 : 39,783.12 = 17,508.20 : x
  2. Step 2: Convert to fraction form
    28,832.72/39,783.12 = 17,508.20/x
  3. Step 3: Cross multiply
    28,832.72x = 39,783.12 × 17,508.20
  4. Step 4: Simplify right side
    28,832.72x = 696,530,821.58
  5. Step 5: Solve for x
    x = 696,530,821.58/28,832.72
  6. Step 6: Final answer
    x = 24,157.65

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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.