Home / 28,541.46-39,390.94-15,970.26

Finding the Fourth Proportional to 28,541.46, 39,390.94 and 15,970.26

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Solution

The fourth proportional to 28,541.46, 39,390.94 and 15,970.26 is: 22,041.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.46 : 39,390.94 = 15,970.26 : x
  2. Step 2: Convert to fraction form
    28,541.46/39,390.94 = 15,970.26/x
  3. Step 3: Cross multiply
    28,541.46x = 39,390.94 × 15,970.26
  4. Step 4: Simplify right side
    28,541.46x = 629,083,553.44
  5. Step 5: Solve for x
    x = 629,083,553.44/28,541.46
  6. Step 6: Final answer
    x = 22,041.04

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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.