Home / 28,782.61-43,186.43-10,076.06

Finding the Fourth Proportional to 28,782.61, 43,186.43 and 10,076.06

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Solution

The fourth proportional to 28,782.61, 43,186.43 and 10,076.06 is: 15,118.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.61 : 43,186.43 = 10,076.06 : x
  2. Step 2: Convert to fraction form
    28,782.61/43,186.43 = 10,076.06/x
  3. Step 3: Cross multiply
    28,782.61x = 43,186.43 × 10,076.06
  4. Step 4: Simplify right side
    28,782.61x = 435,149,193.02
  5. Step 5: Solve for x
    x = 435,149,193.02/28,782.61
  6. Step 6: Final answer
    x = 15,118.48

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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.