Home / 28,653.15-42,984.06-8,933.25

Finding the Fourth Proportional to 28,653.15, 42,984.06 and 8,933.25

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Solution

The fourth proportional to 28,653.15, 42,984.06 and 8,933.25 is: 13,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,653.15 : 42,984.06 = 8,933.25 : x
  2. Step 2: Convert to fraction form
    28,653.15/42,984.06 = 8,933.25/x
  3. Step 3: Cross multiply
    28,653.15x = 42,984.06 × 8,933.25
  4. Step 4: Simplify right side
    28,653.15x = 383,987,354.00
  5. Step 5: Solve for x
    x = 383,987,354.00/28,653.15
  6. Step 6: Final answer
    x = 13,401.23

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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.