Home / 26,867.60-40,282.20-12,064.40

Finding the Fourth Proportional to 26,867.60, 40,282.20 and 12,064.40

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Solution

The fourth proportional to 26,867.60, 40,282.20 and 12,064.40 is: 18,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,867.60 : 40,282.20 = 12,064.40 : x
  2. Step 2: Convert to fraction form
    26,867.60/40,282.20 = 12,064.40/x
  3. Step 3: Cross multiply
    26,867.60x = 40,282.20 × 12,064.40
  4. Step 4: Simplify right side
    26,867.60x = 485,980,573.68
  5. Step 5: Solve for x
    x = 485,980,573.68/26,867.60
  6. Step 6: Final answer
    x = 18,087.98

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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.