Home / 22,428.44-33,631.71-12,810.20

Finding the Fourth Proportional to 22,428.44, 33,631.71 and 12,810.20

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Solution

The fourth proportional to 22,428.44, 33,631.71 and 12,810.20 is: 19,209.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.44 : 33,631.71 = 12,810.20 : x
  2. Step 2: Convert to fraction form
    22,428.44/33,631.71 = 12,810.20/x
  3. Step 3: Cross multiply
    22,428.44x = 33,631.71 × 12,810.20
  4. Step 4: Simplify right side
    22,428.44x = 430,828,795.31
  5. Step 5: Solve for x
    x = 430,828,795.31/22,428.44
  6. Step 6: Final answer
    x = 19,209.04

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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.