Home / 23,127.03-31,929.05-15,183.18

Finding the Fourth Proportional to 23,127.03, 31,929.05 and 15,183.18

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Solution

The fourth proportional to 23,127.03, 31,929.05 and 15,183.18 is: 20,961.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,127.03 : 31,929.05 = 15,183.18 : x
  2. Step 2: Convert to fraction form
    23,127.03/31,929.05 = 15,183.18/x
  3. Step 3: Cross multiply
    23,127.03x = 31,929.05 × 15,183.18
  4. Step 4: Simplify right side
    23,127.03x = 484,784,551.34
  5. Step 5: Solve for x
    x = 484,784,551.34/23,127.03
  6. Step 6: Final answer
    x = 20,961.82

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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.