Home / 28,836.95-43,234.65-17,720.66

Finding the Fourth Proportional to 28,836.95, 43,234.65 and 17,720.66

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Solution

The fourth proportional to 28,836.95, 43,234.65 and 17,720.66 is: 26,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.95 : 43,234.65 = 17,720.66 : x
  2. Step 2: Convert to fraction form
    28,836.95/43,234.65 = 17,720.66/x
  3. Step 3: Cross multiply
    28,836.95x = 43,234.65 × 17,720.66
  4. Step 4: Simplify right side
    28,836.95x = 766,146,640.96
  5. Step 5: Solve for x
    x = 766,146,640.96/28,836.95
  6. Step 6: Final answer
    x = 26,568.23

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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.