Home / 28,249.93-38,988-16,317.01

Finding the Fourth Proportional to 28,249.93, 38,988 and 16,317.01

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Solution

The fourth proportional to 28,249.93, 38,988 and 16,317.01 is: 22,519.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,249.93 : 38,988 = 16,317.01 : x
  2. Step 2: Convert to fraction form
    28,249.93/38,988 = 16,317.01/x
  3. Step 3: Cross multiply
    28,249.93x = 38,988 × 16,317.01
  4. Step 4: Simplify right side
    28,249.93x = 636,167,585.88
  5. Step 5: Solve for x
    x = 636,167,585.88/28,249.93
  6. Step 6: Final answer
    x = 22,519.26

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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.