Home / 25,716.08-38,575.84-9,928.64

Finding the Fourth Proportional to 25,716.08, 38,575.84 and 9,928.64

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Solution

The fourth proportional to 25,716.08, 38,575.84 and 9,928.64 is: 14,893.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.08 : 38,575.84 = 9,928.64 : x
  2. Step 2: Convert to fraction form
    25,716.08/38,575.84 = 9,928.64/x
  3. Step 3: Cross multiply
    25,716.08x = 38,575.84 × 9,928.64
  4. Step 4: Simplify right side
    25,716.08x = 383,005,628.06
  5. Step 5: Solve for x
    x = 383,005,628.06/25,716.08
  6. Step 6: Final answer
    x = 14,893.62

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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.