Home / 28,763.98-43,147.83-9,043.30

Finding the Fourth Proportional to 28,763.98, 43,147.83 and 9,043.30

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Solution

The fourth proportional to 28,763.98, 43,147.83 and 9,043.30 is: 13,565.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,763.98 : 43,147.83 = 9,043.30 : x
  2. Step 2: Convert to fraction form
    28,763.98/43,147.83 = 9,043.30/x
  3. Step 3: Cross multiply
    28,763.98x = 43,147.83 × 9,043.30
  4. Step 4: Simplify right side
    28,763.98x = 390,198,771.04
  5. Step 5: Solve for x
    x = 390,198,771.04/28,763.98
  6. Step 6: Final answer
    x = 13,565.53

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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.