Home / 19,928.58-27,501.51-10,976.70

Finding the Fourth Proportional to 19,928.58, 27,501.51 and 10,976.70

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Solution

The fourth proportional to 19,928.58, 27,501.51 and 10,976.70 is: 15,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.58 : 27,501.51 = 10,976.70 : x
  2. Step 2: Convert to fraction form
    19,928.58/27,501.51 = 10,976.70/x
  3. Step 3: Cross multiply
    19,928.58x = 27,501.51 × 10,976.70
  4. Step 4: Simplify right side
    19,928.58x = 301,875,824.82
  5. Step 5: Solve for x
    x = 301,875,824.82/19,928.58
  6. Step 6: Final answer
    x = 15,147.88

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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.