Home / 28,787.13-43,193.21-10,080.59

Finding the Fourth Proportional to 28,787.13, 43,193.21 and 10,080.59

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Solution

The fourth proportional to 28,787.13, 43,193.21 and 10,080.59 is: 15,125.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,787.13 : 43,193.21 = 10,080.59 : x
  2. Step 2: Convert to fraction form
    28,787.13/43,193.21 = 10,080.59/x
  3. Step 3: Cross multiply
    28,787.13x = 43,193.21 × 10,080.59
  4. Step 4: Simplify right side
    28,787.13x = 435,412,774.42
  5. Step 5: Solve for x
    x = 435,412,774.42/28,787.13
  6. Step 6: Final answer
    x = 15,125.26

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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.