Home / 25,748.78-38,588.01-15,756.96

Finding the Fourth Proportional to 25,748.78, 38,588.01 and 15,756.96

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Solution

The fourth proportional to 25,748.78, 38,588.01 and 15,756.96 is: 23,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.78 : 38,588.01 = 15,756.96 : x
  2. Step 2: Convert to fraction form
    25,748.78/38,588.01 = 15,756.96/x
  3. Step 3: Cross multiply
    25,748.78x = 38,588.01 × 15,756.96
  4. Step 4: Simplify right side
    25,748.78x = 608,029,730.05
  5. Step 5: Solve for x
    x = 608,029,730.05/25,748.78
  6. Step 6: Final answer
    x = 23,613.93

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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.