Home / 18,895.17-28,338.96-17,958.45

Finding the Fourth Proportional to 18,895.17, 28,338.96 and 17,958.45

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Solution

The fourth proportional to 18,895.17, 28,338.96 and 17,958.45 is: 26,934.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,895.17 : 28,338.96 = 17,958.45 : x
  2. Step 2: Convert to fraction form
    18,895.17/28,338.96 = 17,958.45/x
  3. Step 3: Cross multiply
    18,895.17x = 28,338.96 × 17,958.45
  4. Step 4: Simplify right side
    18,895.17x = 508,923,796.21
  5. Step 5: Solve for x
    x = 508,923,796.21/18,895.17
  6. Step 6: Final answer
    x = 26,934.07

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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.