Home / 26,264.80-39,364.35-13,120.84

Finding the Fourth Proportional to 26,264.80, 39,364.35 and 13,120.84

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Solution

The fourth proportional to 26,264.80, 39,364.35 and 13,120.84 is: 19,664.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,264.80 : 39,364.35 = 13,120.84 : x
  2. Step 2: Convert to fraction form
    26,264.80/39,364.35 = 13,120.84/x
  3. Step 3: Cross multiply
    26,264.80x = 39,364.35 × 13,120.84
  4. Step 4: Simplify right side
    26,264.80x = 516,493,338.05
  5. Step 5: Solve for x
    x = 516,493,338.05/26,264.80
  6. Step 6: Final answer
    x = 19,664.85

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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.