Home / 22,428.92-30,950.52-12,995.84

Finding the Fourth Proportional to 22,428.92, 30,950.52 and 12,995.84

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Solution

The fourth proportional to 22,428.92, 30,950.52 and 12,995.84 is: 17,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.92 : 30,950.52 = 12,995.84 : x
  2. Step 2: Convert to fraction form
    22,428.92/30,950.52 = 12,995.84/x
  3. Step 3: Cross multiply
    22,428.92x = 30,950.52 × 12,995.84
  4. Step 4: Simplify right side
    22,428.92x = 402,228,005.84
  5. Step 5: Solve for x
    x = 402,228,005.84/22,428.92
  6. Step 6: Final answer
    x = 17,933.45

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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.