Home / 22,861.64-31,478.93-20,013.07

Finding the Fourth Proportional to 22,861.64, 31,478.93 and 20,013.07

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Solution

The fourth proportional to 22,861.64, 31,478.93 and 20,013.07 is: 27,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,861.64 : 31,478.93 = 20,013.07 : x
  2. Step 2: Convert to fraction form
    22,861.64/31,478.93 = 20,013.07/x
  3. Step 3: Cross multiply
    22,861.64x = 31,478.93 × 20,013.07
  4. Step 4: Simplify right side
    22,861.64x = 629,990,029.62
  5. Step 5: Solve for x
    x = 629,990,029.62/22,861.64
  6. Step 6: Final answer
    x = 27,556.64

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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.