Home / 28,594.96-39,462.62-15,847.88

Finding the Fourth Proportional to 28,594.96, 39,462.62 and 15,847.88

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Solution

The fourth proportional to 28,594.96, 39,462.62 and 15,847.88 is: 21,870.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.96 : 39,462.62 = 15,847.88 : x
  2. Step 2: Convert to fraction form
    28,594.96/39,462.62 = 15,847.88/x
  3. Step 3: Cross multiply
    28,594.96x = 39,462.62 × 15,847.88
  4. Step 4: Simplify right side
    28,594.96x = 625,398,866.25
  5. Step 5: Solve for x
    x = 625,398,866.25/28,594.96
  6. Step 6: Final answer
    x = 21,870.95

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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.