Home / 28,700.67-43,065.33-19,219.35

Finding the Fourth Proportional to 28,700.67, 43,065.33 and 19,219.35

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Solution

The fourth proportional to 28,700.67, 43,065.33 and 19,219.35 is: 28,838.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,700.67 : 43,065.33 = 19,219.35 : x
  2. Step 2: Convert to fraction form
    28,700.67/43,065.33 = 19,219.35/x
  3. Step 3: Cross multiply
    28,700.67x = 43,065.33 × 19,219.35
  4. Step 4: Simplify right side
    28,700.67x = 827,687,650.14
  5. Step 5: Solve for x
    x = 827,687,650.14/28,700.67
  6. Step 6: Final answer
    x = 28,838.62

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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.