Home / 38,391.20-52,959.60-26,433.78

Finding the Fourth Proportional to 38,391.20, 52,959.60 and 26,433.78

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Solution

The fourth proportional to 38,391.20, 52,959.60 and 26,433.78 is: 36,464.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,391.20 : 52,959.60 = 26,433.78 : x
  2. Step 2: Convert to fraction form
    38,391.20/52,959.60 = 26,433.78/x
  3. Step 3: Cross multiply
    38,391.20x = 52,959.60 × 26,433.78
  4. Step 4: Simplify right side
    38,391.20x = 1,399,922,415.29
  5. Step 5: Solve for x
    x = 1,399,922,415.29/38,391.20
  6. Step 6: Final answer
    x = 36,464.67

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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.