Home / 21,579.08-32,327.16-13,234.77

Finding the Fourth Proportional to 21,579.08, 32,327.16 and 13,234.77

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Solution

The fourth proportional to 21,579.08, 32,327.16 and 13,234.77 is: 19,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,579.08 : 32,327.16 = 13,234.77 : x
  2. Step 2: Convert to fraction form
    21,579.08/32,327.16 = 13,234.77/x
  3. Step 3: Cross multiply
    21,579.08x = 32,327.16 × 13,234.77
  4. Step 4: Simplify right side
    21,579.08x = 427,842,527.35
  5. Step 5: Solve for x
    x = 427,842,527.35/21,579.08
  6. Step 6: Final answer
    x = 19,826.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.