Home / 26,765.78-40,094.12-12,683.12

Finding the Fourth Proportional to 26,765.78, 40,094.12 and 12,683.12

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Solution

The fourth proportional to 26,765.78, 40,094.12 and 12,683.12 is: 18,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,765.78 : 40,094.12 = 12,683.12 : x
  2. Step 2: Convert to fraction form
    26,765.78/40,094.12 = 12,683.12/x
  3. Step 3: Cross multiply
    26,765.78x = 40,094.12 × 12,683.12
  4. Step 4: Simplify right side
    26,765.78x = 508,518,366.49
  5. Step 5: Solve for x
    x = 508,518,366.49/26,765.78
  6. Step 6: Final answer
    x = 18,998.83

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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.