Home / 26,291.86-36,262.20-16,861.30

Finding the Fourth Proportional to 26,291.86, 36,262.20 and 16,861.30

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Solution

The fourth proportional to 26,291.86, 36,262.20 and 16,861.30 is: 23,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,291.86 : 36,262.20 = 16,861.30 : x
  2. Step 2: Convert to fraction form
    26,291.86/36,262.20 = 16,861.30/x
  3. Step 3: Cross multiply
    26,291.86x = 36,262.20 × 16,861.30
  4. Step 4: Simplify right side
    26,291.86x = 611,427,832.86
  5. Step 5: Solve for x
    x = 611,427,832.86/26,291.86
  6. Step 6: Final answer
    x = 23,255.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.