Home / 28,650.46-39,537.16-15,903.62

Finding the Fourth Proportional to 28,650.46, 39,537.16 and 15,903.62

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Solution

The fourth proportional to 28,650.46, 39,537.16 and 15,903.62 is: 21,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.46 : 39,537.16 = 15,903.62 : x
  2. Step 2: Convert to fraction form
    28,650.46/39,537.16 = 15,903.62/x
  3. Step 3: Cross multiply
    28,650.46x = 39,537.16 × 15,903.62
  4. Step 4: Simplify right side
    28,650.46x = 628,783,968.52
  5. Step 5: Solve for x
    x = 628,783,968.52/28,650.46
  6. Step 6: Final answer
    x = 21,946.73

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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.