Home / 26,771.42-40,218.70-18,892.08

Finding the Fourth Proportional to 26,771.42, 40,218.70 and 18,892.08

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Solution

The fourth proportional to 26,771.42, 40,218.70 and 18,892.08 is: 28,381.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,771.42 : 40,218.70 = 18,892.08 : x
  2. Step 2: Convert to fraction form
    26,771.42/40,218.70 = 18,892.08/x
  3. Step 3: Cross multiply
    26,771.42x = 40,218.70 × 18,892.08
  4. Step 4: Simplify right side
    26,771.42x = 759,814,897.90
  5. Step 5: Solve for x
    x = 759,814,897.90/26,771.42
  6. Step 6: Final answer
    x = 28,381.57

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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.