Home / 26,436.96-39,578.58-20,575.80

Finding the Fourth Proportional to 26,436.96, 39,578.58 and 20,575.80

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Solution

The fourth proportional to 26,436.96, 39,578.58 and 20,575.80 is: 30,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,436.96 : 39,578.58 = 20,575.80 : x
  2. Step 2: Convert to fraction form
    26,436.96/39,578.58 = 20,575.80/x
  3. Step 3: Cross multiply
    26,436.96x = 39,578.58 × 20,575.80
  4. Step 4: Simplify right side
    26,436.96x = 814,360,946.36
  5. Step 5: Solve for x
    x = 814,360,946.36/26,436.96
  6. Step 6: Final answer
    x = 30,803.88

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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.