Home / 26,219.68-39,341.58-12,170.68

Finding the Fourth Proportional to 26,219.68, 39,341.58 and 12,170.68

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Solution

The fourth proportional to 26,219.68, 39,341.58 and 12,170.68 is: 18,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.68 : 39,341.58 = 12,170.68 : x
  2. Step 2: Convert to fraction form
    26,219.68/39,341.58 = 12,170.68/x
  3. Step 3: Cross multiply
    26,219.68x = 39,341.58 × 12,170.68
  4. Step 4: Simplify right side
    26,219.68x = 478,813,780.87
  5. Step 5: Solve for x
    x = 478,813,780.87/26,219.68
  6. Step 6: Final answer
    x = 18,261.62

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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.