Home / 47,278.27-65,239.34-28,154.24

Finding the Fourth Proportional to 47,278.27, 65,239.34 and 28,154.24

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Solution

The fourth proportional to 47,278.27, 65,239.34 and 28,154.24 is: 38,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,278.27 : 65,239.34 = 28,154.24 : x
  2. Step 2: Convert to fraction form
    47,278.27/65,239.34 = 28,154.24/x
  3. Step 3: Cross multiply
    47,278.27x = 65,239.34 × 28,154.24
  4. Step 4: Simplify right side
    47,278.27x = 1,836,764,035.80
  5. Step 5: Solve for x
    x = 1,836,764,035.80/47,278.27
  6. Step 6: Final answer
    x = 38,850.07

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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.