Home / 26,818.02-40,228.11-12,770.82

Finding the Fourth Proportional to 26,818.02, 40,228.11 and 12,770.82

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Solution

The fourth proportional to 26,818.02, 40,228.11 and 12,770.82 is: 19,156.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,818.02 : 40,228.11 = 12,770.82 : x
  2. Step 2: Convert to fraction form
    26,818.02/40,228.11 = 12,770.82/x
  3. Step 3: Cross multiply
    26,818.02x = 40,228.11 × 12,770.82
  4. Step 4: Simplify right side
    26,818.02x = 513,745,951.75
  5. Step 5: Solve for x
    x = 513,745,951.75/26,818.02
  6. Step 6: Final answer
    x = 19,156.74

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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.