Home / 28,246.07-38,979.75-16,309.37

Finding the Fourth Proportional to 28,246.07, 38,979.75 and 16,309.37

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Solution

The fourth proportional to 28,246.07, 38,979.75 and 16,309.37 is: 22,507.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.07 : 38,979.75 = 16,309.37 : x
  2. Step 2: Convert to fraction form
    28,246.07/38,979.75 = 16,309.37/x
  3. Step 3: Cross multiply
    28,246.07x = 38,979.75 × 16,309.37
  4. Step 4: Simplify right side
    28,246.07x = 635,734,970.36
  5. Step 5: Solve for x
    x = 635,734,970.36/28,246.07
  6. Step 6: Final answer
    x = 22,507.03

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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.