Home / 38,455.21-57,700.58-15,087.85

Finding the Fourth Proportional to 38,455.21, 57,700.58 and 15,087.85

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Solution

The fourth proportional to 38,455.21, 57,700.58 and 15,087.85 is: 22,638.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,455.21 : 57,700.58 = 15,087.85 : x
  2. Step 2: Convert to fraction form
    38,455.21/57,700.58 = 15,087.85/x
  3. Step 3: Cross multiply
    38,455.21x = 57,700.58 × 15,087.85
  4. Step 4: Simplify right side
    38,455.21x = 870,577,695.95
  5. Step 5: Solve for x
    x = 870,577,695.95/38,455.21
  6. Step 6: Final answer
    x = 22,638.75

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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.