Home / 25,925.68-35,769.08-15,318.96

Finding the Fourth Proportional to 25,925.68, 35,769.08 and 15,318.96

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Solution

The fourth proportional to 25,925.68, 35,769.08 and 15,318.96 is: 21,135.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,925.68 : 35,769.08 = 15,318.96 : x
  2. Step 2: Convert to fraction form
    25,925.68/35,769.08 = 15,318.96/x
  3. Step 3: Cross multiply
    25,925.68x = 35,769.08 × 15,318.96
  4. Step 4: Simplify right side
    25,925.68x = 547,945,105.76
  5. Step 5: Solve for x
    x = 547,945,105.76/25,925.68
  6. Step 6: Final answer
    x = 21,135.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.