Home / 28,777.68-43,169.76-9,050.94

Finding the Fourth Proportional to 28,777.68, 43,169.76 and 9,050.94

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Solution

The fourth proportional to 28,777.68, 43,169.76 and 9,050.94 is: 13,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,777.68 : 43,169.76 = 9,050.94 : x
  2. Step 2: Convert to fraction form
    28,777.68/43,169.76 = 9,050.94/x
  3. Step 3: Cross multiply
    28,777.68x = 43,169.76 × 9,050.94
  4. Step 4: Simplify right side
    28,777.68x = 390,726,907.57
  5. Step 5: Solve for x
    x = 390,726,907.57/28,777.68
  6. Step 6: Final answer
    x = 13,577.43

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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.