Home / 26,068.04-39,072.72-12,929.84

Finding the Fourth Proportional to 26,068.04, 39,072.72 and 12,929.84

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Solution

The fourth proportional to 26,068.04, 39,072.72 and 12,929.84 is: 19,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,068.04 : 39,072.72 = 12,929.84 : x
  2. Step 2: Convert to fraction form
    26,068.04/39,072.72 = 12,929.84/x
  3. Step 3: Cross multiply
    26,068.04x = 39,072.72 × 12,929.84
  4. Step 4: Simplify right side
    26,068.04x = 505,204,017.96
  5. Step 5: Solve for x
    x = 505,204,017.96/26,068.04
  6. Step 6: Final answer
    x = 19,380.21

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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.