Home / 28,966.20-43,514.10-27,785.40

Finding the Fourth Proportional to 28,966.20, 43,514.10 and 27,785.40

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Solution

The fourth proportional to 28,966.20, 43,514.10 and 27,785.40 is: 41,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,966.20 : 43,514.10 = 27,785.40 : x
  2. Step 2: Convert to fraction form
    28,966.20/43,514.10 = 27,785.40/x
  3. Step 3: Cross multiply
    28,966.20x = 43,514.10 × 27,785.40
  4. Step 4: Simplify right side
    28,966.20x = 1,209,056,674.14
  5. Step 5: Solve for x
    x = 1,209,056,674.14/28,966.20
  6. Step 6: Final answer
    x = 41,740.26

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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.