Home / 28,187.68-42,309.12-23,537.44

Finding the Fourth Proportional to 28,187.68, 42,309.12 and 23,537.44

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Solution

The fourth proportional to 28,187.68, 42,309.12 and 23,537.44 is: 35,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,187.68 : 42,309.12 = 23,537.44 : x
  2. Step 2: Convert to fraction form
    28,187.68/42,309.12 = 23,537.44/x
  3. Step 3: Cross multiply
    28,187.68x = 42,309.12 × 23,537.44
  4. Step 4: Simplify right side
    28,187.68x = 995,848,373.45
  5. Step 5: Solve for x
    x = 995,848,373.45/28,187.68
  6. Step 6: Final answer
    x = 35,329.21

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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.