Home / 23,137.50-31,929.76-12,527.11

Finding the Fourth Proportional to 23,137.50, 31,929.76 and 12,527.11

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Solution

The fourth proportional to 23,137.50, 31,929.76 and 12,527.11 is: 17,287.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,137.50 : 31,929.76 = 12,527.11 : x
  2. Step 2: Convert to fraction form
    23,137.50/31,929.76 = 12,527.11/x
  3. Step 3: Cross multiply
    23,137.50x = 31,929.76 × 12,527.11
  4. Step 4: Simplify right side
    23,137.50x = 399,987,615.79
  5. Step 5: Solve for x
    x = 399,987,615.79/23,137.50
  6. Step 6: Final answer
    x = 17,287.42

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1.5x scale

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.