Home / 20,010.85-29,989.44-15,573.87

Finding the Fourth Proportional to 20,010.85, 29,989.44 and 15,573.87

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Solution

The fourth proportional to 20,010.85, 29,989.44 and 15,573.87 is: 23,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.85 : 29,989.44 = 15,573.87 : x
  2. Step 2: Convert to fraction form
    20,010.85/29,989.44 = 15,573.87/x
  3. Step 3: Cross multiply
    20,010.85x = 29,989.44 × 15,573.87
  4. Step 4: Simplify right side
    20,010.85x = 467,051,639.93
  5. Step 5: Solve for x
    x = 467,051,639.93/20,010.85
  6. Step 6: Final answer
    x = 23,339.92

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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.