Home / 25,057.86-34,580.25-13,879.14

Finding the Fourth Proportional to 25,057.86, 34,580.25 and 13,879.14

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Solution

The fourth proportional to 25,057.86, 34,580.25 and 13,879.14 is: 19,153.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,057.86 : 34,580.25 = 13,879.14 : x
  2. Step 2: Convert to fraction form
    25,057.86/34,580.25 = 13,879.14/x
  3. Step 3: Cross multiply
    25,057.86x = 34,580.25 × 13,879.14
  4. Step 4: Simplify right side
    25,057.86x = 479,944,130.99
  5. Step 5: Solve for x
    x = 479,944,130.99/25,057.86
  6. Step 6: Final answer
    x = 19,153.44

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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.