Home / 26,730.20-40,109.70-11,149.40

Finding the Fourth Proportional to 26,730.20, 40,109.70 and 11,149.40

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Solution

The fourth proportional to 26,730.20, 40,109.70 and 11,149.40 is: 16,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.20 : 40,109.70 = 11,149.40 : x
  2. Step 2: Convert to fraction form
    26,730.20/40,109.70 = 11,149.40/x
  3. Step 3: Cross multiply
    26,730.20x = 40,109.70 × 11,149.40
  4. Step 4: Simplify right side
    26,730.20x = 447,199,089.18
  5. Step 5: Solve for x
    x = 447,199,089.18/26,730.20
  6. Step 6: Final answer
    x = 16,730.11

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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.