Home / 47,278.60-65,226.18-27,128.20

Finding the Fourth Proportional to 47,278.60, 65,226.18 and 27,128.20

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Solution

The fourth proportional to 47,278.60, 65,226.18 and 27,128.20 is: 37,426.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.60 : 65,226.18 = 27,128.20 : x
  2. Step 2: Convert to fraction form
    47,278.60/65,226.18 = 27,128.20/x
  3. Step 3: Cross multiply
    47,278.60x = 65,226.18 × 27,128.20
  4. Step 4: Simplify right side
    47,278.60x = 1,769,468,856.28
  5. Step 5: Solve for x
    x = 1,769,468,856.28/47,278.60
  6. Step 6: Final answer
    x = 37,426.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.