Home / 25,103.52-34,640.32-15,029.92

Finding the Fourth Proportional to 25,103.52, 34,640.32 and 15,029.92

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Solution

The fourth proportional to 25,103.52, 34,640.32 and 15,029.92 is: 20,739.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,103.52 : 34,640.32 = 15,029.92 : x
  2. Step 2: Convert to fraction form
    25,103.52/34,640.32 = 15,029.92/x
  3. Step 3: Cross multiply
    25,103.52x = 34,640.32 × 15,029.92
  4. Step 4: Simplify right side
    25,103.52x = 520,641,238.37
  5. Step 5: Solve for x
    x = 520,641,238.37/25,103.52
  6. Step 6: Final answer
    x = 20,739.77

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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.