Home / 28,862.10-43,297.70-12,222.22

Finding the Fourth Proportional to 28,862.10, 43,297.70 and 12,222.22

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Solution

The fourth proportional to 28,862.10, 43,297.70 and 12,222.22 is: 18,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,862.10 : 43,297.70 = 12,222.22 : x
  2. Step 2: Convert to fraction form
    28,862.10/43,297.70 = 12,222.22/x
  3. Step 3: Cross multiply
    28,862.10x = 43,297.70 × 12,222.22
  4. Step 4: Simplify right side
    28,862.10x = 529,194,014.89
  5. Step 5: Solve for x
    x = 529,194,014.89/28,862.10
  6. Step 6: Final answer
    x = 18,335.26

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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.