Home / 29,292.63-40,423.87-15,863.91

Finding the Fourth Proportional to 29,292.63, 40,423.87 and 15,863.91

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Solution

The fourth proportional to 29,292.63, 40,423.87 and 15,863.91 is: 21,892.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,292.63 : 40,423.87 = 15,863.91 : x
  2. Step 2: Convert to fraction form
    29,292.63/40,423.87 = 15,863.91/x
  3. Step 3: Cross multiply
    29,292.63x = 40,423.87 × 15,863.91
  4. Step 4: Simplify right side
    29,292.63x = 641,280,635.53
  5. Step 5: Solve for x
    x = 641,280,635.53/29,292.63
  6. Step 6: Final answer
    x = 21,892.22

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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.