Home / 28,185.84-42,294.96-11,548.44

Finding the Fourth Proportional to 28,185.84, 42,294.96 and 11,548.44

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Solution

The fourth proportional to 28,185.84, 42,294.96 and 11,548.44 is: 17,329.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,185.84 : 42,294.96 = 11,548.44 : x
  2. Step 2: Convert to fraction form
    28,185.84/42,294.96 = 11,548.44/x
  3. Step 3: Cross multiply
    28,185.84x = 42,294.96 × 11,548.44
  4. Step 4: Simplify right side
    28,185.84x = 488,440,807.86
  5. Step 5: Solve for x
    x = 488,440,807.86/28,185.84
  6. Step 6: Final answer
    x = 17,329.30

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1.5x scale

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.