Home / 26,946.70-40,420.05-18,490.30

Finding the Fourth Proportional to 26,946.70, 40,420.05 and 18,490.30

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Solution

The fourth proportional to 26,946.70, 40,420.05 and 18,490.30 is: 27,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,946.70 : 40,420.05 = 18,490.30 : x
  2. Step 2: Convert to fraction form
    26,946.70/40,420.05 = 18,490.30/x
  3. Step 3: Cross multiply
    26,946.70x = 40,420.05 × 18,490.30
  4. Step 4: Simplify right side
    26,946.70x = 747,378,850.52
  5. Step 5: Solve for x
    x = 747,378,850.52/26,946.70
  6. Step 6: Final answer
    x = 27,735.45

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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.