Home / 26,612.20-40,004.70-18,874.60

Finding the Fourth Proportional to 26,612.20, 40,004.70 and 18,874.60

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Solution

The fourth proportional to 26,612.20, 40,004.70 and 18,874.60 is: 28,373.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,612.20 : 40,004.70 = 18,874.60 : x
  2. Step 2: Convert to fraction form
    26,612.20/40,004.70 = 18,874.60/x
  3. Step 3: Cross multiply
    26,612.20x = 40,004.70 × 18,874.60
  4. Step 4: Simplify right side
    26,612.20x = 755,072,710.62
  5. Step 5: Solve for x
    x = 755,072,710.62/26,612.20
  6. Step 6: Final answer
    x = 28,373.18

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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.