Home / 27,980.81-41,944.83-13,927.56

Finding the Fourth Proportional to 27,980.81, 41,944.83 and 13,927.56

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Solution

The fourth proportional to 27,980.81, 41,944.83 and 13,927.56 is: 20,878.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,980.81 : 41,944.83 = 13,927.56 : x
  2. Step 2: Convert to fraction form
    27,980.81/41,944.83 = 13,927.56/x
  3. Step 3: Cross multiply
    27,980.81x = 41,944.83 × 13,927.56
  4. Step 4: Simplify right side
    27,980.81x = 584,189,136.51
  5. Step 5: Solve for x
    x = 584,189,136.51/27,980.81
  6. Step 6: Final answer
    x = 20,878.21

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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.