Home / 26,989.02-40,403.57-20,000.41

Finding the Fourth Proportional to 26,989.02, 40,403.57 and 20,000.41

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Solution

The fourth proportional to 26,989.02, 40,403.57 and 20,000.41 is: 29,941.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.02 : 40,403.57 = 20,000.41 : x
  2. Step 2: Convert to fraction form
    26,989.02/40,403.57 = 20,000.41/x
  3. Step 3: Cross multiply
    26,989.02x = 40,403.57 × 20,000.41
  4. Step 4: Simplify right side
    26,989.02x = 808,087,914.46
  5. Step 5: Solve for x
    x = 808,087,914.46/26,989.02
  6. Step 6: Final answer
    x = 29,941.35

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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.