Home / 20,941.14-31,356.72-17,601.15

Finding the Fourth Proportional to 20,941.14, 31,356.72 and 17,601.15

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Solution

The fourth proportional to 20,941.14, 31,356.72 and 17,601.15 is: 26,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,941.14 : 31,356.72 = 17,601.15 : x
  2. Step 2: Convert to fraction form
    20,941.14/31,356.72 = 17,601.15/x
  3. Step 3: Cross multiply
    20,941.14x = 31,356.72 × 17,601.15
  4. Step 4: Simplify right side
    20,941.14x = 551,914,332.23
  5. Step 5: Solve for x
    x = 551,914,332.23/20,941.14
  6. Step 6: Final answer
    x = 26,355.51

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1.5x scale

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.