Home / 25,569.36-38,351.52-8,038.72

Finding the Fourth Proportional to 25,569.36, 38,351.52 and 8,038.72

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Solution

The fourth proportional to 25,569.36, 38,351.52 and 8,038.72 is: 12,057.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,569.36 : 38,351.52 = 8,038.72 : x
  2. Step 2: Convert to fraction form
    25,569.36/38,351.52 = 8,038.72/x
  3. Step 3: Cross multiply
    25,569.36x = 38,351.52 × 8,038.72
  4. Step 4: Simplify right side
    25,569.36x = 308,297,130.85
  5. Step 5: Solve for x
    x = 308,297,130.85/25,569.36
  6. Step 6: Final answer
    x = 12,057.29

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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.