Home / 28,241.16-38,968.75-16,907.94

Finding the Fourth Proportional to 28,241.16, 38,968.75 and 16,907.94

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Solution

The fourth proportional to 28,241.16, 38,968.75 and 16,907.94 is: 23,330.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,241.16 : 38,968.75 = 16,907.94 : x
  2. Step 2: Convert to fraction form
    28,241.16/38,968.75 = 16,907.94/x
  3. Step 3: Cross multiply
    28,241.16x = 38,968.75 × 16,907.94
  4. Step 4: Simplify right side
    28,241.16x = 658,881,244.61
  5. Step 5: Solve for x
    x = 658,881,244.61/28,241.16
  6. Step 6: Final answer
    x = 23,330.53

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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.