Home / 25,709.84-38,606.64-15,911.56

Finding the Fourth Proportional to 25,709.84, 38,606.64 and 15,911.56

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Solution

The fourth proportional to 25,709.84, 38,606.64 and 15,911.56 is: 23,893.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709.84 : 38,606.64 = 15,911.56 : x
  2. Step 2: Convert to fraction form
    25,709.84/38,606.64 = 15,911.56/x
  3. Step 3: Cross multiply
    25,709.84x = 38,606.64 × 15,911.56
  4. Step 4: Simplify right side
    25,709.84x = 614,291,868.76
  5. Step 5: Solve for x
    x = 614,291,868.76/25,709.84
  6. Step 6: Final answer
    x = 23,893.26

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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.