Home / 25,212.07-37,835.11-18,976.69

Finding the Fourth Proportional to 25,212.07, 37,835.11 and 18,976.69

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Solution

The fourth proportional to 25,212.07, 37,835.11 and 18,976.69 is: 28,477.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,212.07 : 37,835.11 = 18,976.69 : x
  2. Step 2: Convert to fraction form
    25,212.07/37,835.11 = 18,976.69/x
  3. Step 3: Cross multiply
    25,212.07x = 37,835.11 × 18,976.69
  4. Step 4: Simplify right side
    25,212.07x = 717,985,153.59
  5. Step 5: Solve for x
    x = 717,985,153.59/25,212.07
  6. Step 6: Final answer
    x = 28,477.83

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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.