Home / 28,895.51-43,265.37-18,875.44

Finding the Fourth Proportional to 28,895.51, 43,265.37 and 18,875.44

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Solution

The fourth proportional to 28,895.51, 43,265.37 and 18,875.44 is: 28,262.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.51 : 43,265.37 = 18,875.44 : x
  2. Step 2: Convert to fraction form
    28,895.51/43,265.37 = 18,875.44/x
  3. Step 3: Cross multiply
    28,895.51x = 43,265.37 × 18,875.44
  4. Step 4: Simplify right side
    28,895.51x = 816,652,895.51
  5. Step 5: Solve for x
    x = 816,652,895.51/28,895.51
  6. Step 6: Final answer
    x = 28,262.28

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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.