Home / 28,698.21-43,044.89-9,975.06

Finding the Fourth Proportional to 28,698.21, 43,044.89 and 9,975.06

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Solution

The fourth proportional to 28,698.21, 43,044.89 and 9,975.06 is: 14,961.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.21 : 43,044.89 = 9,975.06 : x
  2. Step 2: Convert to fraction form
    28,698.21/43,044.89 = 9,975.06/x
  3. Step 3: Cross multiply
    28,698.21x = 43,044.89 × 9,975.06
  4. Step 4: Simplify right side
    28,698.21x = 429,375,310.57
  5. Step 5: Solve for x
    x = 429,375,310.57/28,698.21
  6. Step 6: Final answer
    x = 14,961.75

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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.