Home / 19,929.58-27,500.68-10,976.54

Finding the Fourth Proportional to 19,929.58, 27,500.68 and 10,976.54

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Solution

The fourth proportional to 19,929.58, 27,500.68 and 10,976.54 is: 15,146.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.58 : 27,500.68 = 10,976.54 : x
  2. Step 2: Convert to fraction form
    19,929.58/27,500.68 = 10,976.54/x
  3. Step 3: Cross multiply
    19,929.58x = 27,500.68 × 10,976.54
  4. Step 4: Simplify right side
    19,929.58x = 301,862,314.05
  5. Step 5: Solve for x
    x = 301,862,314.05/19,929.58
  6. Step 6: Final answer
    x = 15,146.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.