Home / 28,845.46-39,775.98-22,785.04

Finding the Fourth Proportional to 28,845.46, 39,775.98 and 22,785.04

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Solution

The fourth proportional to 28,845.46, 39,775.98 and 22,785.04 is: 31,419.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.46 : 39,775.98 = 22,785.04 : x
  2. Step 2: Convert to fraction form
    28,845.46/39,775.98 = 22,785.04/x
  3. Step 3: Cross multiply
    28,845.46x = 39,775.98 × 22,785.04
  4. Step 4: Simplify right side
    28,845.46x = 906,297,295.34
  5. Step 5: Solve for x
    x = 906,297,295.34/28,845.46
  6. Step 6: Final answer
    x = 31,419.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.