Home / 22,651.42-31,288.38-17,240.99

Finding the Fourth Proportional to 22,651.42, 31,288.38 and 17,240.99

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Solution

The fourth proportional to 22,651.42, 31,288.38 and 17,240.99 is: 23,814.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.42 : 31,288.38 = 17,240.99 : x
  2. Step 2: Convert to fraction form
    22,651.42/31,288.38 = 17,240.99/x
  3. Step 3: Cross multiply
    22,651.42x = 31,288.38 × 17,240.99
  4. Step 4: Simplify right side
    22,651.42x = 539,442,490.25
  5. Step 5: Solve for x
    x = 539,442,490.25/22,651.42
  6. Step 6: Final answer
    x = 23,814.95

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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.