Home / 28,569.36-42,860.70-8,846.85

Finding the Fourth Proportional to 28,569.36, 42,860.70 and 8,846.85

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Solution

The fourth proportional to 28,569.36, 42,860.70 and 8,846.85 is: 13,272.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.36 : 42,860.70 = 8,846.85 : x
  2. Step 2: Convert to fraction form
    28,569.36/42,860.70 = 8,846.85/x
  3. Step 3: Cross multiply
    28,569.36x = 42,860.70 × 8,846.85
  4. Step 4: Simplify right side
    28,569.36x = 379,182,183.80
  5. Step 5: Solve for x
    x = 379,182,183.80/28,569.36
  6. Step 6: Final answer
    x = 13,272.34

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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.