Home / 26,059.80-39,089.70-12,937.80

Finding the Fourth Proportional to 26,059.80, 39,089.70 and 12,937.80

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Solution

The fourth proportional to 26,059.80, 39,089.70 and 12,937.80 is: 19,406.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,059.80 : 39,089.70 = 12,937.80 : x
  2. Step 2: Convert to fraction form
    26,059.80/39,089.70 = 12,937.80/x
  3. Step 3: Cross multiply
    26,059.80x = 39,089.70 × 12,937.80
  4. Step 4: Simplify right side
    26,059.80x = 505,734,720.66
  5. Step 5: Solve for x
    x = 505,734,720.66/26,059.80
  6. Step 6: Final answer
    x = 19,406.70

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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.