Home / 28,903.82-43,329.43-11,123.13

Finding the Fourth Proportional to 28,903.82, 43,329.43 and 11,123.13

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Solution

The fourth proportional to 28,903.82, 43,329.43 and 11,123.13 is: 16,674.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,903.82 : 43,329.43 = 11,123.13 : x
  2. Step 2: Convert to fraction form
    28,903.82/43,329.43 = 11,123.13/x
  3. Step 3: Cross multiply
    28,903.82x = 43,329.43 × 11,123.13
  4. Step 4: Simplify right side
    28,903.82x = 481,959,059.11
  5. Step 5: Solve for x
    x = 481,959,059.11/28,903.82
  6. Step 6: Final answer
    x = 16,674.58

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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.