Home / 26,911.10-40,347.45-12,107.90

Finding the Fourth Proportional to 26,911.10, 40,347.45 and 12,107.90

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Solution

The fourth proportional to 26,911.10, 40,347.45 and 12,107.90 is: 18,153.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.10 : 40,347.45 = 12,107.90 : x
  2. Step 2: Convert to fraction form
    26,911.10/40,347.45 = 12,107.90/x
  3. Step 3: Cross multiply
    26,911.10x = 40,347.45 × 12,107.90
  4. Step 4: Simplify right side
    26,911.10x = 488,522,889.86
  5. Step 5: Solve for x
    x = 488,522,889.86/26,911.10
  6. Step 6: Final answer
    x = 18,153.21

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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.