Home / 28,194.17-38,907.53-15,447.26

Finding the Fourth Proportional to 28,194.17, 38,907.53 and 15,447.26

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Solution

The fourth proportional to 28,194.17, 38,907.53 and 15,447.26 is: 21,316.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.17 : 38,907.53 = 15,447.26 : x
  2. Step 2: Convert to fraction form
    28,194.17/38,907.53 = 15,447.26/x
  3. Step 3: Cross multiply
    28,194.17x = 38,907.53 × 15,447.26
  4. Step 4: Simplify right side
    28,194.17x = 601,014,575.95
  5. Step 5: Solve for x
    x = 601,014,575.95/28,194.17
  6. Step 6: Final answer
    x = 21,316.98

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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.