Home / 26,426.36-39,590.53-18,914.42

Finding the Fourth Proportional to 26,426.36, 39,590.53 and 18,914.42

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Solution

The fourth proportional to 26,426.36, 39,590.53 and 18,914.42 is: 28,336.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,426.36 : 39,590.53 = 18,914.42 : x
  2. Step 2: Convert to fraction form
    26,426.36/39,590.53 = 18,914.42/x
  3. Step 3: Cross multiply
    26,426.36x = 39,590.53 × 18,914.42
  4. Step 4: Simplify right side
    26,426.36x = 748,831,912.44
  5. Step 5: Solve for x
    x = 748,831,912.44/26,426.36
  6. Step 6: Final answer
    x = 28,336.55

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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.