Home / 28,977.96-39,986.82-23,024.04

Finding the Fourth Proportional to 28,977.96, 39,986.82 and 23,024.04

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Solution

The fourth proportional to 28,977.96, 39,986.82 and 23,024.04 is: 31,770.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977.96 : 39,986.82 = 23,024.04 : x
  2. Step 2: Convert to fraction form
    28,977.96/39,986.82 = 23,024.04/x
  3. Step 3: Cross multiply
    28,977.96x = 39,986.82 × 23,024.04
  4. Step 4: Simplify right side
    28,977.96x = 920,658,143.15
  5. Step 5: Solve for x
    x = 920,658,143.15/28,977.96
  6. Step 6: Final answer
    x = 31,770.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.