Home / 22,935.84-31,651.79-13,375.46

Finding the Fourth Proportional to 22,935.84, 31,651.79 and 13,375.46

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Solution

The fourth proportional to 22,935.84, 31,651.79 and 13,375.46 is: 18,458.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,935.84 : 31,651.79 = 13,375.46 : x
  2. Step 2: Convert to fraction form
    22,935.84/31,651.79 = 13,375.46/x
  3. Step 3: Cross multiply
    22,935.84x = 31,651.79 × 13,375.46
  4. Step 4: Simplify right side
    22,935.84x = 423,357,025.94
  5. Step 5: Solve for x
    x = 423,357,025.94/22,935.84
  6. Step 6: Final answer
    x = 18,458.32

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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.