Home / 28,770.51-43,138.49-11,248.59

Finding the Fourth Proportional to 28,770.51, 43,138.49 and 11,248.59

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Solution

The fourth proportional to 28,770.51, 43,138.49 and 11,248.59 is: 16,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,770.51 : 43,138.49 = 11,248.59 : x
  2. Step 2: Convert to fraction form
    28,770.51/43,138.49 = 11,248.59/x
  3. Step 3: Cross multiply
    28,770.51x = 43,138.49 × 11,248.59
  4. Step 4: Simplify right side
    28,770.51x = 485,247,130.99
  5. Step 5: Solve for x
    x = 485,247,130.99/28,770.51
  6. Step 6: Final answer
    x = 16,866.13

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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.