Home / 25,360.37-38,042.78-6,640.32

Finding the Fourth Proportional to 25,360.37, 38,042.78 and 6,640.32

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Solution

The fourth proportional to 25,360.37, 38,042.78 and 6,640.32 is: 9,961.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.37 : 38,042.78 = 6,640.32 : x
  2. Step 2: Convert to fraction form
    25,360.37/38,042.78 = 6,640.32/x
  3. Step 3: Cross multiply
    25,360.37x = 38,042.78 × 6,640.32
  4. Step 4: Simplify right side
    25,360.37x = 252,616,232.89
  5. Step 5: Solve for x
    x = 252,616,232.89/25,360.37
  6. Step 6: Final answer
    x = 9,961.06

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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.