Home / 28,081.49-42,093.08-11,434.37

Finding the Fourth Proportional to 28,081.49, 42,093.08 and 11,434.37

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Solution

The fourth proportional to 28,081.49, 42,093.08 and 11,434.37 is: 17,139.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.49 : 42,093.08 = 11,434.37 : x
  2. Step 2: Convert to fraction form
    28,081.49/42,093.08 = 11,434.37/x
  3. Step 3: Cross multiply
    28,081.49x = 42,093.08 × 11,434.37
  4. Step 4: Simplify right side
    28,081.49x = 481,307,793.99
  5. Step 5: Solve for x
    x = 481,307,793.99/28,081.49
  6. Step 6: Final answer
    x = 17,139.68

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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.