Home / 25,890.42-38,835.63-11,089.74

Finding the Fourth Proportional to 25,890.42, 38,835.63 and 11,089.74

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Solution

The fourth proportional to 25,890.42, 38,835.63 and 11,089.74 is: 16,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,890.42 : 38,835.63 = 11,089.74 : x
  2. Step 2: Convert to fraction form
    25,890.42/38,835.63 = 11,089.74/x
  3. Step 3: Cross multiply
    25,890.42x = 38,835.63 × 11,089.74
  4. Step 4: Simplify right side
    25,890.42x = 430,677,039.44
  5. Step 5: Solve for x
    x = 430,677,039.44/25,890.42
  6. Step 6: Final answer
    x = 16,634.61

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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.