Home / 26,986.55-40,461.39-12,187.40

Finding the Fourth Proportional to 26,986.55, 40,461.39 and 12,187.40

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Solution

The fourth proportional to 26,986.55, 40,461.39 and 12,187.40 is: 18,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,986.55 : 40,461.39 = 12,187.40 : x
  2. Step 2: Convert to fraction form
    26,986.55/40,461.39 = 12,187.40/x
  3. Step 3: Cross multiply
    26,986.55x = 40,461.39 × 12,187.40
  4. Step 4: Simplify right side
    26,986.55x = 493,118,942.18
  5. Step 5: Solve for x
    x = 493,118,942.18/26,986.55
  6. Step 6: Final answer
    x = 18,272.77

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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.