Home / 28,992.04-40,008-16,416.52

Finding the Fourth Proportional to 28,992.04, 40,008 and 16,416.52

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Solution

The fourth proportional to 28,992.04, 40,008 and 16,416.52 is: 22,654.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.04 : 40,008 = 16,416.52 : x
  2. Step 2: Convert to fraction form
    28,992.04/40,008 = 16,416.52/x
  3. Step 3: Cross multiply
    28,992.04x = 40,008 × 16,416.52
  4. Step 4: Simplify right side
    28,992.04x = 656,792,132.16
  5. Step 5: Solve for x
    x = 656,792,132.16/28,992.04
  6. Step 6: Final answer
    x = 22,654.22

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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.