Home / 26,988.42-40,470.74-12,196.74

Finding the Fourth Proportional to 26,988.42, 40,470.74 and 12,196.74

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Solution

The fourth proportional to 26,988.42, 40,470.74 and 12,196.74 is: 18,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,988.42 : 40,470.74 = 12,196.74 : x
  2. Step 2: Convert to fraction form
    26,988.42/40,470.74 = 12,196.74/x
  3. Step 3: Cross multiply
    26,988.42x = 40,470.74 × 12,196.74
  4. Step 4: Simplify right side
    26,988.42x = 493,611,093.39
  5. Step 5: Solve for x
    x = 493,611,093.39/26,988.42
  6. Step 6: Final answer
    x = 18,289.74

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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.