Home / 26,430.92-39,636.62-18,529.41

Finding the Fourth Proportional to 26,430.92, 39,636.62 and 18,529.41

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Solution

The fourth proportional to 26,430.92, 39,636.62 and 18,529.41 is: 27,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,430.92 : 39,636.62 = 18,529.41 : x
  2. Step 2: Convert to fraction form
    26,430.92/39,636.62 = 18,529.41/x
  3. Step 3: Cross multiply
    26,430.92x = 39,636.62 × 18,529.41
  4. Step 4: Simplify right side
    26,430.92x = 734,443,182.99
  5. Step 5: Solve for x
    x = 734,443,182.99/26,430.92
  6. Step 6: Final answer
    x = 27,787.27

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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.