Home / 28,435.80-42,704.90-27,514.20

Finding the Fourth Proportional to 28,435.80, 42,704.90 and 27,514.20

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Solution

The fourth proportional to 28,435.80, 42,704.90 and 27,514.20 is: 41,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.80 : 42,704.90 = 27,514.20 : x
  2. Step 2: Convert to fraction form
    28,435.80/42,704.90 = 27,514.20/x
  3. Step 3: Cross multiply
    28,435.80x = 42,704.90 × 27,514.20
  4. Step 4: Simplify right side
    28,435.80x = 1,174,991,159.58
  5. Step 5: Solve for x
    x = 1,174,991,159.58/28,435.80
  6. Step 6: Final answer
    x = 41,320.84

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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.