Home / 26,905.96-40,333.02-8,433.64

Finding the Fourth Proportional to 26,905.96, 40,333.02 and 8,433.64

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Solution

The fourth proportional to 26,905.96, 40,333.02 and 8,433.64 is: 12,642.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,905.96 : 40,333.02 = 8,433.64 : x
  2. Step 2: Convert to fraction form
    26,905.96/40,333.02 = 8,433.64/x
  3. Step 3: Cross multiply
    26,905.96x = 40,333.02 × 8,433.64
  4. Step 4: Simplify right side
    26,905.96x = 340,154,170.79
  5. Step 5: Solve for x
    x = 340,154,170.79/26,905.96
  6. Step 6: Final answer
    x = 12,642.34

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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.