Home / 28,898.85-39,880.29-16,152.02

Finding the Fourth Proportional to 28,898.85, 39,880.29 and 16,152.02

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Solution

The fourth proportional to 28,898.85, 39,880.29 and 16,152.02 is: 22,289.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,898.85 : 39,880.29 = 16,152.02 : x
  2. Step 2: Convert to fraction form
    28,898.85/39,880.29 = 16,152.02/x
  3. Step 3: Cross multiply
    28,898.85x = 39,880.29 × 16,152.02
  4. Step 4: Simplify right side
    28,898.85x = 644,147,194.92
  5. Step 5: Solve for x
    x = 644,147,194.92/28,898.85
  6. Step 6: Final answer
    x = 22,289.72

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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.