Home / 28,737.85-39,658.58-16,162.60

Finding the Fourth Proportional to 28,737.85, 39,658.58 and 16,162.60

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Solution

The fourth proportional to 28,737.85, 39,658.58 and 16,162.60 is: 22,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.85 : 39,658.58 = 16,162.60 : x
  2. Step 2: Convert to fraction form
    28,737.85/39,658.58 = 16,162.60/x
  3. Step 3: Cross multiply
    28,737.85x = 39,658.58 × 16,162.60
  4. Step 4: Simplify right side
    28,737.85x = 640,985,486.00
  5. Step 5: Solve for x
    x = 640,985,486.00/28,737.85
  6. Step 6: Final answer
    x = 22,304.58

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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.