Home / 22,933.28-31,645.68-12,859.36

Finding the Fourth Proportional to 22,933.28, 31,645.68 and 12,859.36

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Solution

The fourth proportional to 22,933.28, 31,645.68 and 12,859.36 is: 17,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,933.28 : 31,645.68 = 12,859.36 : x
  2. Step 2: Convert to fraction form
    22,933.28/31,645.68 = 12,859.36/x
  3. Step 3: Cross multiply
    22,933.28x = 31,645.68 × 12,859.36
  4. Step 4: Simplify right side
    22,933.28x = 406,943,191.56
  5. Step 5: Solve for x
    x = 406,943,191.56/22,933.28
  6. Step 6: Final answer
    x = 17,744.66

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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.