Home / 26,812.34-40,216.86-12,017.28

Finding the Fourth Proportional to 26,812.34, 40,216.86 and 12,017.28

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Solution

The fourth proportional to 26,812.34, 40,216.86 and 12,017.28 is: 18,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,812.34 : 40,216.86 = 12,017.28 : x
  2. Step 2: Convert to fraction form
    26,812.34/40,216.86 = 12,017.28/x
  3. Step 3: Cross multiply
    26,812.34x = 40,216.86 × 12,017.28
  4. Step 4: Simplify right side
    26,812.34x = 483,297,267.34
  5. Step 5: Solve for x
    x = 483,297,267.34/26,812.34
  6. Step 6: Final answer
    x = 18,025.18

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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.