Home / 28,298.62-39,052.29-15,723.37

Finding the Fourth Proportional to 28,298.62, 39,052.29 and 15,723.37

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Solution

The fourth proportional to 28,298.62, 39,052.29 and 15,723.37 is: 21,698.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.62 : 39,052.29 = 15,723.37 : x
  2. Step 2: Convert to fraction form
    28,298.62/39,052.29 = 15,723.37/x
  3. Step 3: Cross multiply
    28,298.62x = 39,052.29 × 15,723.37
  4. Step 4: Simplify right side
    28,298.62x = 614,033,605.02
  5. Step 5: Solve for x
    x = 614,033,605.02/28,298.62
  6. Step 6: Final answer
    x = 21,698.36

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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.