Home / 28,716.40-43,048.64-25,606

Finding the Fourth Proportional to 28,716.40, 43,048.64 and 25,606

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Solution

The fourth proportional to 28,716.40, 43,048.64 and 25,606 is: 38,385.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716.40 : 43,048.64 = 25,606 : x
  2. Step 2: Convert to fraction form
    28,716.40/43,048.64 = 25,606/x
  3. Step 3: Cross multiply
    28,716.40x = 43,048.64 × 25,606
  4. Step 4: Simplify right side
    28,716.40x = 1,102,303,475.84
  5. Step 5: Solve for x
    x = 1,102,303,475.84/28,716.40
  6. Step 6: Final answer
    x = 38,385.85

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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.