Home / 23,137.28-31,929.62-12,527.10

Finding the Fourth Proportional to 23,137.28, 31,929.62 and 12,527.10

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Solution

The fourth proportional to 23,137.28, 31,929.62 and 12,527.10 is: 17,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.28 : 31,929.62 = 12,527.10 : x
  2. Step 2: Convert to fraction form
    23,137.28/31,929.62 = 12,527.10/x
  3. Step 3: Cross multiply
    23,137.28x = 31,929.62 × 12,527.10
  4. Step 4: Simplify right side
    23,137.28x = 399,985,542.70
  5. Step 5: Solve for x
    x = 399,985,542.70/23,137.28
  6. Step 6: Final answer
    x = 17,287.49

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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.