Home / 57,728.69-86,595.46-18,284.93

Finding the Fourth Proportional to 57,728.69, 86,595.46 and 18,284.93

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Solution

The fourth proportional to 57,728.69, 86,595.46 and 18,284.93 is: 27,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,728.69 : 86,595.46 = 18,284.93 : x
  2. Step 2: Convert to fraction form
    57,728.69/86,595.46 = 18,284.93/x
  3. Step 3: Cross multiply
    57,728.69x = 86,595.46 × 18,284.93
  4. Step 4: Simplify right side
    57,728.69x = 1,583,391,873.31
  5. Step 5: Solve for x
    x = 1,583,391,873.31/57,728.69
  6. Step 6: Final answer
    x = 27,428.16

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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.