Home / 28,780.62-43,170.93-27,156.30

Finding the Fourth Proportional to 28,780.62, 43,170.93 and 27,156.30

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Solution

The fourth proportional to 28,780.62, 43,170.93 and 27,156.30 is: 40,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,780.62 : 43,170.93 = 27,156.30 : x
  2. Step 2: Convert to fraction form
    28,780.62/43,170.93 = 27,156.30/x
  3. Step 3: Cross multiply
    28,780.62x = 43,170.93 × 27,156.30
  4. Step 4: Simplify right side
    28,780.62x = 1,172,362,726.36
  5. Step 5: Solve for x
    x = 1,172,362,726.36/28,780.62
  6. Step 6: Final answer
    x = 40,734.45

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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.