Home / 27,206.90-40,805.72-12,412.34

Finding the Fourth Proportional to 27,206.90, 40,805.72 and 12,412.34

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Solution

The fourth proportional to 27,206.90, 40,805.72 and 12,412.34 is: 18,616.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,206.90 : 40,805.72 = 12,412.34 : x
  2. Step 2: Convert to fraction form
    27,206.90/40,805.72 = 12,412.34/x
  3. Step 3: Cross multiply
    27,206.90x = 40,805.72 × 12,412.34
  4. Step 4: Simplify right side
    27,206.90x = 506,494,297.59
  5. Step 5: Solve for x
    x = 506,494,297.59/27,206.90
  6. Step 6: Final answer
    x = 18,616.39

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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.