Home / 28,582.90-39,439.68-17,965

Finding the Fourth Proportional to 28,582.90, 39,439.68 and 17,965

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Solution

The fourth proportional to 28,582.90, 39,439.68 and 17,965 is: 24,788.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,582.90 : 39,439.68 = 17,965 : x
  2. Step 2: Convert to fraction form
    28,582.90/39,439.68 = 17,965/x
  3. Step 3: Cross multiply
    28,582.90x = 39,439.68 × 17,965
  4. Step 4: Simplify right side
    28,582.90x = 708,533,851.20
  5. Step 5: Solve for x
    x = 708,533,851.20/28,582.90
  6. Step 6: Final answer
    x = 24,788.73

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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.