Home / 28,849.38-43,300.80-17,777.70

Finding the Fourth Proportional to 28,849.38, 43,300.80 and 17,777.70

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Solution

The fourth proportional to 28,849.38, 43,300.80 and 17,777.70 is: 26,683.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,849.38 : 43,300.80 = 17,777.70 : x
  2. Step 2: Convert to fraction form
    28,849.38/43,300.80 = 17,777.70/x
  3. Step 3: Cross multiply
    28,849.38x = 43,300.80 × 17,777.70
  4. Step 4: Simplify right side
    28,849.38x = 769,788,632.16
  5. Step 5: Solve for x
    x = 769,788,632.16/28,849.38
  6. Step 6: Final answer
    x = 26,683.02

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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.