Home / 25,505.63-38,262.41-13,018.89

Finding the Fourth Proportional to 25,505.63, 38,262.41 and 13,018.89

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Solution

The fourth proportional to 25,505.63, 38,262.41 and 13,018.89 is: 19,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,505.63 : 38,262.41 = 13,018.89 : x
  2. Step 2: Convert to fraction form
    25,505.63/38,262.41 = 13,018.89/x
  3. Step 3: Cross multiply
    25,505.63x = 38,262.41 × 13,018.89
  4. Step 4: Simplify right side
    25,505.63x = 498,134,234.14
  5. Step 5: Solve for x
    x = 498,134,234.14/25,505.63
  6. Step 6: Final answer
    x = 19,530.36

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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.