Home / 26,970.25-40,469.01-18,186.70

Finding the Fourth Proportional to 26,970.25, 40,469.01 and 18,186.70

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Solution

The fourth proportional to 26,970.25, 40,469.01 and 18,186.70 is: 27,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,970.25 : 40,469.01 = 18,186.70 : x
  2. Step 2: Convert to fraction form
    26,970.25/40,469.01 = 18,186.70/x
  3. Step 3: Cross multiply
    26,970.25x = 40,469.01 × 18,186.70
  4. Step 4: Simplify right side
    26,970.25x = 735,997,541.82
  5. Step 5: Solve for x
    x = 735,997,541.82/26,970.25
  6. Step 6: Final answer
    x = 27,289.24

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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.