Home / 28,432.28-39,236.81-16,495.83

Finding the Fourth Proportional to 28,432.28, 39,236.81 and 16,495.83

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Solution

The fourth proportional to 28,432.28, 39,236.81 and 16,495.83 is: 22,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,432.28 : 39,236.81 = 16,495.83 : x
  2. Step 2: Convert to fraction form
    28,432.28/39,236.81 = 16,495.83/x
  3. Step 3: Cross multiply
    28,432.28x = 39,236.81 × 16,495.83
  4. Step 4: Simplify right side
    28,432.28x = 647,243,665.02
  5. Step 5: Solve for x
    x = 647,243,665.02/28,432.28
  6. Step 6: Final answer
    x = 22,764.39

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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.