Home / 26,409.39-39,612.34-12,372.57

Finding the Fourth Proportional to 26,409.39, 39,612.34 and 12,372.57

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Solution

The fourth proportional to 26,409.39, 39,612.34 and 12,372.57 is: 18,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,409.39 : 39,612.34 = 12,372.57 : x
  2. Step 2: Convert to fraction form
    26,409.39/39,612.34 = 12,372.57/x
  3. Step 3: Cross multiply
    26,409.39x = 39,612.34 × 12,372.57
  4. Step 4: Simplify right side
    26,409.39x = 490,106,576.39
  5. Step 5: Solve for x
    x = 490,106,576.39/26,409.39
  6. Step 6: Final answer
    x = 18,558.04

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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.