Home / 21,181.23-31,792.50-10,095.57

Finding the Fourth Proportional to 21,181.23, 31,792.50 and 10,095.57

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Solution

The fourth proportional to 21,181.23, 31,792.50 and 10,095.57 is: 15,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,181.23 : 31,792.50 = 10,095.57 : x
  2. Step 2: Convert to fraction form
    21,181.23/31,792.50 = 10,095.57/x
  3. Step 3: Cross multiply
    21,181.23x = 31,792.50 × 10,095.57
  4. Step 4: Simplify right side
    21,181.23x = 320,963,409.23
  5. Step 5: Solve for x
    x = 320,963,409.23/21,181.23
  6. Step 6: Final answer
    x = 15,153.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.