Home / 22,739.79-31,369.62-15,196.23

Finding the Fourth Proportional to 22,739.79, 31,369.62 and 15,196.23

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Solution

The fourth proportional to 22,739.79, 31,369.62 and 15,196.23 is: 20,963.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,739.79 : 31,369.62 = 15,196.23 : x
  2. Step 2: Convert to fraction form
    22,739.79/31,369.62 = 15,196.23/x
  3. Step 3: Cross multiply
    22,739.79x = 31,369.62 × 15,196.23
  4. Step 4: Simplify right side
    22,739.79x = 476,699,960.53
  5. Step 5: Solve for x
    x = 476,699,960.53/22,739.79
  6. Step 6: Final answer
    x = 20,963.25

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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.