Home / 25,120.86-34,666.23-13,942.14

Finding the Fourth Proportional to 25,120.86, 34,666.23 and 13,942.14

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Solution

The fourth proportional to 25,120.86, 34,666.23 and 13,942.14 is: 19,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,120.86 : 34,666.23 = 13,942.14 : x
  2. Step 2: Convert to fraction form
    25,120.86/34,666.23 = 13,942.14/x
  3. Step 3: Cross multiply
    25,120.86x = 34,666.23 × 13,942.14
  4. Step 4: Simplify right side
    25,120.86x = 483,321,431.93
  5. Step 5: Solve for x
    x = 483,321,431.93/25,120.86
  6. Step 6: Final answer
    x = 19,239.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.