Home / 28,846.90-43,274.85-9,123.58

Finding the Fourth Proportional to 28,846.90, 43,274.85 and 9,123.58

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Solution

The fourth proportional to 28,846.90, 43,274.85 and 9,123.58 is: 13,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.90 : 43,274.85 = 9,123.58 : x
  2. Step 2: Convert to fraction form
    28,846.90/43,274.85 = 9,123.58/x
  3. Step 3: Cross multiply
    28,846.90x = 43,274.85 × 9,123.58
  4. Step 4: Simplify right side
    28,846.90x = 394,821,555.96
  5. Step 5: Solve for x
    x = 394,821,555.96/28,846.90
  6. Step 6: Final answer
    x = 13,686.79

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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.