Home / 28,741.60-39,660.60-16,166.08

Finding the Fourth Proportional to 28,741.60, 39,660.60 and 16,166.08

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Solution

The fourth proportional to 28,741.60, 39,660.60 and 16,166.08 is: 22,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.60 : 39,660.60 = 16,166.08 : x
  2. Step 2: Convert to fraction form
    28,741.60/39,660.60 = 16,166.08/x
  3. Step 3: Cross multiply
    28,741.60x = 39,660.60 × 16,166.08
  4. Step 4: Simplify right side
    28,741.60x = 641,156,432.45
  5. Step 5: Solve for x
    x = 641,156,432.45/28,741.60
  6. Step 6: Final answer
    x = 22,307.61

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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.