Home / 28,617.03-42,913.67-11,076.75

Finding the Fourth Proportional to 28,617.03, 42,913.67 and 11,076.75

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Solution

The fourth proportional to 28,617.03, 42,913.67 and 11,076.75 is: 16,610.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,617.03 : 42,913.67 = 11,076.75 : x
  2. Step 2: Convert to fraction form
    28,617.03/42,913.67 = 11,076.75/x
  3. Step 3: Cross multiply
    28,617.03x = 42,913.67 × 11,076.75
  4. Step 4: Simplify right side
    28,617.03x = 475,343,938.79
  5. Step 5: Solve for x
    x = 475,343,938.79/28,617.03
  6. Step 6: Final answer
    x = 16,610.53

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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.