Home / 28,409.98-42,566.43-20,073.86

Finding the Fourth Proportional to 28,409.98, 42,566.43 and 20,073.86

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Solution

The fourth proportional to 28,409.98, 42,566.43 and 20,073.86 is: 30,076.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.98 : 42,566.43 = 20,073.86 : x
  2. Step 2: Convert to fraction form
    28,409.98/42,566.43 = 20,073.86/x
  3. Step 3: Cross multiply
    28,409.98x = 42,566.43 × 20,073.86
  4. Step 4: Simplify right side
    28,409.98x = 854,472,556.52
  5. Step 5: Solve for x
    x = 854,472,556.52/28,409.98
  6. Step 6: Final answer
    x = 30,076.50

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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.