Home / 26,670.60-40,007.85-9,140.28

Finding the Fourth Proportional to 26,670.60, 40,007.85 and 9,140.28

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Solution

The fourth proportional to 26,670.60, 40,007.85 and 9,140.28 is: 13,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.60 : 40,007.85 = 9,140.28 : x
  2. Step 2: Convert to fraction form
    26,670.60/40,007.85 = 9,140.28/x
  3. Step 3: Cross multiply
    26,670.60x = 40,007.85 × 9,140.28
  4. Step 4: Simplify right side
    26,670.60x = 365,682,951.20
  5. Step 5: Solve for x
    x = 365,682,951.20/26,670.60
  6. Step 6: Final answer
    x = 13,711.09

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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.