Home / 28,588.14-42,893.96-11,951.69

Finding the Fourth Proportional to 28,588.14, 42,893.96 and 11,951.69

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Solution

The fourth proportional to 28,588.14, 42,893.96 and 11,951.69 is: 17,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,588.14 : 42,893.96 = 11,951.69 : x
  2. Step 2: Convert to fraction form
    28,588.14/42,893.96 = 11,951.69/x
  3. Step 3: Cross multiply
    28,588.14x = 42,893.96 × 11,951.69
  4. Step 4: Simplify right side
    28,588.14x = 512,655,038.56
  5. Step 5: Solve for x
    x = 512,655,038.56/28,588.14
  6. Step 6: Final answer
    x = 17,932.44

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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.