Home / 22,428.94-33,632.46-12,810.70

Finding the Fourth Proportional to 22,428.94, 33,632.46 and 12,810.70

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Solution

The fourth proportional to 22,428.94, 33,632.46 and 12,810.70 is: 19,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.94 : 33,632.46 = 12,810.70 : x
  2. Step 2: Convert to fraction form
    22,428.94/33,632.46 = 12,810.70/x
  3. Step 3: Cross multiply
    22,428.94x = 33,632.46 × 12,810.70
  4. Step 4: Simplify right side
    22,428.94x = 430,855,187.16
  5. Step 5: Solve for x
    x = 430,855,187.16/22,428.94
  6. Step 6: Final answer
    x = 19,209.79

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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.