Home / 27,980.04-41,943.68-13,926.78

Finding the Fourth Proportional to 27,980.04, 41,943.68 and 13,926.78

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Solution

The fourth proportional to 27,980.04, 41,943.68 and 13,926.78 is: 20,877.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.04 : 41,943.68 = 13,926.78 : x
  2. Step 2: Convert to fraction form
    27,980.04/41,943.68 = 13,926.78/x
  3. Step 3: Cross multiply
    27,980.04x = 41,943.68 × 13,926.78
  4. Step 4: Simplify right side
    27,980.04x = 584,140,334.12
  5. Step 5: Solve for x
    x = 584,140,334.12/27,980.04
  6. Step 6: Final answer
    x = 20,877.04

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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.