Home / 20,582.36-28,374.56-14,611.85

Finding the Fourth Proportional to 20,582.36, 28,374.56 and 14,611.85

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Solution

The fourth proportional to 20,582.36, 28,374.56 and 14,611.85 is: 20,143.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,582.36 : 28,374.56 = 14,611.85 : x
  2. Step 2: Convert to fraction form
    20,582.36/28,374.56 = 14,611.85/x
  3. Step 3: Cross multiply
    20,582.36x = 28,374.56 × 14,611.85
  4. Step 4: Simplify right side
    20,582.36x = 414,604,814.54
  5. Step 5: Solve for x
    x = 414,604,814.54/20,582.36
  6. Step 6: Final answer
    x = 20,143.70

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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.