Home / 19,928.30-27,501.06-10,975.79

Finding the Fourth Proportional to 19,928.30, 27,501.06 and 10,975.79

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Solution

The fourth proportional to 19,928.30, 27,501.06 and 10,975.79 is: 15,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.30 : 27,501.06 = 10,975.79 : x
  2. Step 2: Convert to fraction form
    19,928.30/27,501.06 = 10,975.79/x
  3. Step 3: Cross multiply
    19,928.30x = 27,501.06 × 10,975.79
  4. Step 4: Simplify right side
    19,928.30x = 301,845,721.83
  5. Step 5: Solve for x
    x = 301,845,721.83/19,928.30
  6. Step 6: Final answer
    x = 15,146.59

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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.