Home / 26,080.36-39,068.04-12,020.80

Finding the Fourth Proportional to 26,080.36, 39,068.04 and 12,020.80

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Solution

The fourth proportional to 26,080.36, 39,068.04 and 12,020.80 is: 18,007.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,080.36 : 39,068.04 = 12,020.80 : x
  2. Step 2: Convert to fraction form
    26,080.36/39,068.04 = 12,020.80/x
  3. Step 3: Cross multiply
    26,080.36x = 39,068.04 × 12,020.80
  4. Step 4: Simplify right side
    26,080.36x = 469,629,095.23
  5. Step 5: Solve for x
    x = 469,629,095.23/26,080.36
  6. Step 6: Final answer
    x = 18,007.00

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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.