Home / 26,861.80-40,283.10-12,077.80

Finding the Fourth Proportional to 26,861.80, 40,283.10 and 12,077.80

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Solution

The fourth proportional to 26,861.80, 40,283.10 and 12,077.80 is: 18,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,861.80 : 40,283.10 = 12,077.80 : x
  2. Step 2: Convert to fraction form
    26,861.80/40,283.10 = 12,077.80/x
  3. Step 3: Cross multiply
    26,861.80x = 40,283.10 × 12,077.80
  4. Step 4: Simplify right side
    26,861.80x = 486,531,225.18
  5. Step 5: Solve for x
    x = 486,531,225.18/26,861.80
  6. Step 6: Final answer
    x = 18,112.38

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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.