Home / 26,892.16-40,344.32-8,424.32

Finding the Fourth Proportional to 26,892.16, 40,344.32 and 8,424.32

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Solution

The fourth proportional to 26,892.16, 40,344.32 and 8,424.32 is: 12,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,892.16 : 40,344.32 = 8,424.32 : x
  2. Step 2: Convert to fraction form
    26,892.16/40,344.32 = 8,424.32/x
  3. Step 3: Cross multiply
    26,892.16x = 40,344.32 × 8,424.32
  4. Step 4: Simplify right side
    26,892.16x = 339,873,461.86
  5. Step 5: Solve for x
    x = 339,873,461.86/26,892.16
  6. Step 6: Final answer
    x = 12,638.38

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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.