Home / 19,928.31-27,500.96-10,975.59

Finding the Fourth Proportional to 19,928.31, 27,500.96 and 10,975.59

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Solution

The fourth proportional to 19,928.31, 27,500.96 and 10,975.59 is: 15,146.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.31 : 27,500.96 = 10,975.59 : x
  2. Step 2: Convert to fraction form
    19,928.31/27,500.96 = 10,975.59/x
  3. Step 3: Cross multiply
    19,928.31x = 27,500.96 × 10,975.59
  4. Step 4: Simplify right side
    19,928.31x = 301,839,206.69
  5. Step 5: Solve for x
    x = 301,839,206.69/19,928.31
  6. Step 6: Final answer
    x = 15,146.25

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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.