Home / 28,926.66-39,919.30-16,351.40

Finding the Fourth Proportional to 28,926.66, 39,919.30 and 16,351.40

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Solution

The fourth proportional to 28,926.66, 39,919.30 and 16,351.40 is: 22,565.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.66 : 39,919.30 = 16,351.40 : x
  2. Step 2: Convert to fraction form
    28,926.66/39,919.30 = 16,351.40/x
  3. Step 3: Cross multiply
    28,926.66x = 39,919.30 × 16,351.40
  4. Step 4: Simplify right side
    28,926.66x = 652,736,442.02
  5. Step 5: Solve for x
    x = 652,736,442.02/28,926.66
  6. Step 6: Final answer
    x = 22,565.22

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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.