Home / 38,495.28-57,738.06-13,534.32

Finding the Fourth Proportional to 38,495.28, 57,738.06 and 13,534.32

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Solution

The fourth proportional to 38,495.28, 57,738.06 and 13,534.32 is: 20,299.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,495.28 : 57,738.06 = 13,534.32 : x
  2. Step 2: Convert to fraction form
    38,495.28/57,738.06 = 13,534.32/x
  3. Step 3: Cross multiply
    38,495.28x = 57,738.06 × 13,534.32
  4. Step 4: Simplify right side
    38,495.28x = 781,445,380.22
  5. Step 5: Solve for x
    x = 781,445,380.22/38,495.28
  6. Step 6: Final answer
    x = 20,299.77

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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.