Home / 31,423.20-43,364.56-17,276

Finding the Fourth Proportional to 31,423.20, 43,364.56 and 17,276

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Solution

The fourth proportional to 31,423.20, 43,364.56 and 17,276 is: 23,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.20 : 43,364.56 = 17,276 : x
  2. Step 2: Convert to fraction form
    31,423.20/43,364.56 = 17,276/x
  3. Step 3: Cross multiply
    31,423.20x = 43,364.56 × 17,276
  4. Step 4: Simplify right side
    31,423.20x = 749,166,138.56
  5. Step 5: Solve for x
    x = 749,166,138.56/31,423.20
  6. Step 6: Final answer
    x = 23,841.18

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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.