Home / 25,715.34-38,544.93-10,115.82

Finding the Fourth Proportional to 25,715.34, 38,544.93 and 10,115.82

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Solution

The fourth proportional to 25,715.34, 38,544.93 and 10,115.82 is: 15,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,715.34 : 38,544.93 = 10,115.82 : x
  2. Step 2: Convert to fraction form
    25,715.34/38,544.93 = 10,115.82/x
  3. Step 3: Cross multiply
    25,715.34x = 38,544.93 × 10,115.82
  4. Step 4: Simplify right side
    25,715.34x = 389,913,573.79
  5. Step 5: Solve for x
    x = 389,913,573.79/25,715.34
  6. Step 6: Final answer
    x = 15,162.68

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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.