Home / 28,975.30-43,490.98-13,992.92

Finding the Fourth Proportional to 28,975.30, 43,490.98 and 13,992.92

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Solution

The fourth proportional to 28,975.30, 43,490.98 and 13,992.92 is: 21,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.30 : 43,490.98 = 13,992.92 : x
  2. Step 2: Convert to fraction form
    28,975.30/43,490.98 = 13,992.92/x
  3. Step 3: Cross multiply
    28,975.30x = 43,490.98 × 13,992.92
  4. Step 4: Simplify right side
    28,975.30x = 608,565,803.86
  5. Step 5: Solve for x
    x = 608,565,803.86/28,975.30
  6. Step 6: Final answer
    x = 21,002.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.