Home / 28,483.20-39,305.28-17,869.44

Finding the Fourth Proportional to 28,483.20, 39,305.28 and 17,869.44

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Solution

The fourth proportional to 28,483.20, 39,305.28 and 17,869.44 is: 24,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483.20 : 39,305.28 = 17,869.44 : x
  2. Step 2: Convert to fraction form
    28,483.20/39,305.28 = 17,869.44/x
  3. Step 3: Cross multiply
    28,483.20x = 39,305.28 × 17,869.44
  4. Step 4: Simplify right side
    28,483.20x = 702,363,342.64
  5. Step 5: Solve for x
    x = 702,363,342.64/28,483.20
  6. Step 6: Final answer
    x = 24,658.86

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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.