Home / 25,815.24-38,723.40-14,103.72

Finding the Fourth Proportional to 25,815.24, 38,723.40 and 14,103.72

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Solution

The fourth proportional to 25,815.24, 38,723.40 and 14,103.72 is: 21,155.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.24 : 38,723.40 = 14,103.72 : x
  2. Step 2: Convert to fraction form
    25,815.24/38,723.40 = 14,103.72/x
  3. Step 3: Cross multiply
    25,815.24x = 38,723.40 × 14,103.72
  4. Step 4: Simplify right side
    25,815.24x = 546,143,991.05
  5. Step 5: Solve for x
    x = 546,143,991.05/25,815.24
  6. Step 6: Final answer
    x = 21,155.88

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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.