Home / 26,748.12-40,128.85-8,028.50

Finding the Fourth Proportional to 26,748.12, 40,128.85 and 8,028.50

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Solution

The fourth proportional to 26,748.12, 40,128.85 and 8,028.50 is: 12,044.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.12 : 40,128.85 = 8,028.50 : x
  2. Step 2: Convert to fraction form
    26,748.12/40,128.85 = 8,028.50/x
  3. Step 3: Cross multiply
    26,748.12x = 40,128.85 × 8,028.50
  4. Step 4: Simplify right side
    26,748.12x = 322,174,331.76
  5. Step 5: Solve for x
    x = 322,174,331.76/26,748.12
  6. Step 6: Final answer
    x = 12,044.75

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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.