Home / 26,780.72-40,173.08-8,059.28

Finding the Fourth Proportional to 26,780.72, 40,173.08 and 8,059.28

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Solution

The fourth proportional to 26,780.72, 40,173.08 and 8,059.28 is: 12,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,780.72 : 40,173.08 = 8,059.28 : x
  2. Step 2: Convert to fraction form
    26,780.72/40,173.08 = 8,059.28/x
  3. Step 3: Cross multiply
    26,780.72x = 40,173.08 × 8,059.28
  4. Step 4: Simplify right side
    26,780.72x = 323,765,859.02
  5. Step 5: Solve for x
    x = 323,765,859.02/26,780.72
  6. Step 6: Final answer
    x = 12,089.52

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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.