Home / 28,565.12-39,421.68-15,993.92

Finding the Fourth Proportional to 28,565.12, 39,421.68 and 15,993.92

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Solution

The fourth proportional to 28,565.12, 39,421.68 and 15,993.92 is: 22,072.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,565.12 : 39,421.68 = 15,993.92 : x
  2. Step 2: Convert to fraction form
    28,565.12/39,421.68 = 15,993.92/x
  3. Step 3: Cross multiply
    28,565.12x = 39,421.68 × 15,993.92
  4. Step 4: Simplify right side
    28,565.12x = 630,507,196.19
  5. Step 5: Solve for x
    x = 630,507,196.19/28,565.12
  6. Step 6: Final answer
    x = 22,072.63

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