Home / 53,234.40-79,827.04-15,780.96

Finding the Fourth Proportional to 53,234.40, 79,827.04 and 15,780.96

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Solution

The fourth proportional to 53,234.40, 79,827.04 and 15,780.96 is: 23,664.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,234.40 : 79,827.04 = 15,780.96 : x
  2. Step 2: Convert to fraction form
    53,234.40/79,827.04 = 15,780.96/x
  3. Step 3: Cross multiply
    53,234.40x = 79,827.04 × 15,780.96
  4. Step 4: Simplify right side
    53,234.40x = 1,259,747,325.16
  5. Step 5: Solve for x
    x = 1,259,747,325.16/53,234.40
  6. Step 6: Final answer
    x = 23,664.16

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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.