Home / 27,920.44-41,889.75-13,130.83

Finding the Fourth Proportional to 27,920.44, 41,889.75 and 13,130.83

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Solution

The fourth proportional to 27,920.44, 41,889.75 and 13,130.83 is: 19,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.44 : 41,889.75 = 13,130.83 : x
  2. Step 2: Convert to fraction form
    27,920.44/41,889.75 = 13,130.83/x
  3. Step 3: Cross multiply
    27,920.44x = 41,889.75 × 13,130.83
  4. Step 4: Simplify right side
    27,920.44x = 550,047,185.99
  5. Step 5: Solve for x
    x = 550,047,185.99/27,920.44
  6. Step 6: Final answer
    x = 19,700.52

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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.