Home / 27,056.72-40,585.79-12,821.86

Finding the Fourth Proportional to 27,056.72, 40,585.79 and 12,821.86

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Solution

The fourth proportional to 27,056.72, 40,585.79 and 12,821.86 is: 19,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,056.72 : 40,585.79 = 12,821.86 : x
  2. Step 2: Convert to fraction form
    27,056.72/40,585.79 = 12,821.86/x
  3. Step 3: Cross multiply
    27,056.72x = 40,585.79 × 12,821.86
  4. Step 4: Simplify right side
    27,056.72x = 520,385,247.96
  5. Step 5: Solve for x
    x = 520,385,247.96/27,056.72
  6. Step 6: Final answer
    x = 19,233.12

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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.