Home / 28,563.49-39,405.40-17,226.54

Finding the Fourth Proportional to 28,563.49, 39,405.40 and 17,226.54

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Solution

The fourth proportional to 28,563.49, 39,405.40 and 17,226.54 is: 23,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.49 : 39,405.40 = 17,226.54 : x
  2. Step 2: Convert to fraction form
    28,563.49/39,405.40 = 17,226.54/x
  3. Step 3: Cross multiply
    28,563.49x = 39,405.40 × 17,226.54
  4. Step 4: Simplify right side
    28,563.49x = 678,818,699.32
  5. Step 5: Solve for x
    x = 678,818,699.32/28,563.49
  6. Step 6: Final answer
    x = 23,765.26

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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.