Home / 26,990.02-40,405.07-20,001.41

Finding the Fourth Proportional to 26,990.02, 40,405.07 and 20,001.41

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Solution

The fourth proportional to 26,990.02, 40,405.07 and 20,001.41 is: 29,942.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,990.02 : 40,405.07 = 20,001.41 : x
  2. Step 2: Convert to fraction form
    26,990.02/40,405.07 = 20,001.41/x
  3. Step 3: Cross multiply
    26,990.02x = 40,405.07 × 20,001.41
  4. Step 4: Simplify right side
    26,990.02x = 808,158,371.15
  5. Step 5: Solve for x
    x = 808,158,371.15/26,990.02
  6. Step 6: Final answer
    x = 29,942.86

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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.