Home / 27,020.79-40,495.34-14,367.92

Finding the Fourth Proportional to 27,020.79, 40,495.34 and 14,367.92

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Solution

The fourth proportional to 27,020.79, 40,495.34 and 14,367.92 is: 21,532.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,020.79 : 40,495.34 = 14,367.92 : x
  2. Step 2: Convert to fraction form
    27,020.79/40,495.34 = 14,367.92/x
  3. Step 3: Cross multiply
    27,020.79x = 40,495.34 × 14,367.92
  4. Step 4: Simplify right side
    27,020.79x = 581,833,638.94
  5. Step 5: Solve for x
    x = 581,833,638.94/27,020.79
  6. Step 6: Final answer
    x = 21,532.81

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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.