Home / 19,928.76-27,501.41-10,976.28

Finding the Fourth Proportional to 19,928.76, 27,501.41 and 10,976.28

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Solution

The fourth proportional to 19,928.76, 27,501.41 and 10,976.28 is: 15,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.76 : 27,501.41 = 10,976.28 : x
  2. Step 2: Convert to fraction form
    19,928.76/27,501.41 = 10,976.28/x
  3. Step 3: Cross multiply
    19,928.76x = 27,501.41 × 10,976.28
  4. Step 4: Simplify right side
    19,928.76x = 301,863,121.67
  5. Step 5: Solve for x
    x = 301,863,121.67/19,928.76
  6. Step 6: Final answer
    x = 15,147.11

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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.