Home / 26,961.40-40,442.10-16,420.60

Finding the Fourth Proportional to 26,961.40, 40,442.10 and 16,420.60

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Solution

The fourth proportional to 26,961.40, 40,442.10 and 16,420.60 is: 24,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,961.40 : 40,442.10 = 16,420.60 : x
  2. Step 2: Convert to fraction form
    26,961.40/40,442.10 = 16,420.60/x
  3. Step 3: Cross multiply
    26,961.40x = 40,442.10 × 16,420.60
  4. Step 4: Simplify right side
    26,961.40x = 664,083,547.26
  5. Step 5: Solve for x
    x = 664,083,547.26/26,961.40
  6. Step 6: Final answer
    x = 24,630.90

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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.