Home / 26,611.68-39,917.70-12,718.56

Finding the Fourth Proportional to 26,611.68, 39,917.70 and 12,718.56

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Solution

The fourth proportional to 26,611.68, 39,917.70 and 12,718.56 is: 19,077.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,611.68 : 39,917.70 = 12,718.56 : x
  2. Step 2: Convert to fraction form
    26,611.68/39,917.70 = 12,718.56/x
  3. Step 3: Cross multiply
    26,611.68x = 39,917.70 × 12,718.56
  4. Step 4: Simplify right side
    26,611.68x = 507,695,662.51
  5. Step 5: Solve for x
    x = 507,695,662.51/26,611.68
  6. Step 6: Final answer
    x = 19,077.93

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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.