Home / 25,525.72-38,288.58-11,665

Finding the Fourth Proportional to 25,525.72, 38,288.58 and 11,665

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Solution

The fourth proportional to 25,525.72, 38,288.58 and 11,665 is: 17,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,525.72 : 38,288.58 = 11,665 : x
  2. Step 2: Convert to fraction form
    25,525.72/38,288.58 = 11,665/x
  3. Step 3: Cross multiply
    25,525.72x = 38,288.58 × 11,665
  4. Step 4: Simplify right side
    25,525.72x = 446,636,285.70
  5. Step 5: Solve for x
    x = 446,636,285.70/25,525.72
  6. Step 6: Final answer
    x = 17,497.50

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1.5x scale

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.