Home / 38,135.80-57,197.58-10,427.32

Finding the Fourth Proportional to 38,135.80, 57,197.58 and 10,427.32

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Solution

The fourth proportional to 38,135.80, 57,197.58 and 10,427.32 is: 15,639.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135.80 : 57,197.58 = 10,427.32 : x
  2. Step 2: Convert to fraction form
    38,135.80/57,197.58 = 10,427.32/x
  3. Step 3: Cross multiply
    38,135.80x = 57,197.58 × 10,427.32
  4. Step 4: Simplify right side
    38,135.80x = 596,417,469.89
  5. Step 5: Solve for x
    x = 596,417,469.89/38,135.80
  6. Step 6: Final answer
    x = 15,639.31

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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.