Home / 23,137.74-31,929.71-12,527.15

Finding the Fourth Proportional to 23,137.74, 31,929.71 and 12,527.15

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Solution

The fourth proportional to 23,137.74, 31,929.71 and 12,527.15 is: 17,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.74 : 31,929.71 = 12,527.15 : x
  2. Step 2: Convert to fraction form
    23,137.74/31,929.71 = 12,527.15/x
  3. Step 3: Cross multiply
    23,137.74x = 31,929.71 × 12,527.15
  4. Step 4: Simplify right side
    23,137.74x = 399,988,044.34
  5. Step 5: Solve for x
    x = 399,988,044.34/23,137.74
  6. Step 6: Final answer
    x = 17,287.26

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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.