Home / 27,480.04-41,226.56-21,878.89

Finding the Fourth Proportional to 27,480.04, 41,226.56 and 21,878.89

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Solution

The fourth proportional to 27,480.04, 41,226.56 and 21,878.89 is: 32,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.04 : 41,226.56 = 21,878.89 : x
  2. Step 2: Convert to fraction form
    27,480.04/41,226.56 = 21,878.89/x
  3. Step 3: Cross multiply
    27,480.04x = 41,226.56 × 21,878.89
  4. Step 4: Simplify right side
    27,480.04x = 901,991,240.90
  5. Step 5: Solve for x
    x = 901,991,240.90/27,480.04
  6. Step 6: Final answer
    x = 32,823.51

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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.