Home / 28,792.02-43,169.54-12,147.50

Finding the Fourth Proportional to 28,792.02, 43,169.54 and 12,147.50

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Solution

The fourth proportional to 28,792.02, 43,169.54 and 12,147.50 is: 18,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,792.02 : 43,169.54 = 12,147.50 : x
  2. Step 2: Convert to fraction form
    28,792.02/43,169.54 = 12,147.50/x
  3. Step 3: Cross multiply
    28,792.02x = 43,169.54 × 12,147.50
  4. Step 4: Simplify right side
    28,792.02x = 524,401,987.15
  5. Step 5: Solve for x
    x = 524,401,987.15/28,792.02
  6. Step 6: Final answer
    x = 18,213.45

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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.