Home / 38,422.64-57,649.32-13,800.56

Finding the Fourth Proportional to 38,422.64, 57,649.32 and 13,800.56

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Solution

The fourth proportional to 38,422.64, 57,649.32 and 13,800.56 is: 20,706.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,422.64 : 57,649.32 = 13,800.56 : x
  2. Step 2: Convert to fraction form
    38,422.64/57,649.32 = 13,800.56/x
  3. Step 3: Cross multiply
    38,422.64x = 57,649.32 × 13,800.56
  4. Step 4: Simplify right side
    38,422.64x = 795,592,899.62
  5. Step 5: Solve for x
    x = 795,592,899.62/38,422.64
  6. Step 6: Final answer
    x = 20,706.36

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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.