Home / 28,655.01-39,543.27-15,907.44

Finding the Fourth Proportional to 28,655.01, 39,543.27 and 15,907.44

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Solution

The fourth proportional to 28,655.01, 39,543.27 and 15,907.44 is: 21,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,655.01 : 39,543.27 = 15,907.44 : x
  2. Step 2: Convert to fraction form
    28,655.01/39,543.27 = 15,907.44/x
  3. Step 3: Cross multiply
    28,655.01x = 39,543.27 × 15,907.44
  4. Step 4: Simplify right side
    28,655.01x = 629,032,194.93
  5. Step 5: Solve for x
    x = 629,032,194.93/28,655.01
  6. Step 6: Final answer
    x = 21,951.91

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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.