Home / 28,699.56-39,624.69-25,665.24

Finding the Fourth Proportional to 28,699.56, 39,624.69 and 25,665.24

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Solution

The fourth proportional to 28,699.56, 39,624.69 and 25,665.24 is: 35,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.56 : 39,624.69 = 25,665.24 : x
  2. Step 2: Convert to fraction form
    28,699.56/39,624.69 = 25,665.24/x
  3. Step 3: Cross multiply
    28,699.56x = 39,624.69 × 25,665.24
  4. Step 4: Simplify right side
    28,699.56x = 1,016,977,178.78
  5. Step 5: Solve for x
    x = 1,016,977,178.78/28,699.56
  6. Step 6: Final answer
    x = 35,435.29

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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.