Home / 28,178.02-38,885.88-16,241.32

Finding the Fourth Proportional to 28,178.02, 38,885.88 and 16,241.32

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Solution

The fourth proportional to 28,178.02, 38,885.88 and 16,241.32 is: 22,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,178.02 : 38,885.88 = 16,241.32 : x
  2. Step 2: Convert to fraction form
    28,178.02/38,885.88 = 16,241.32/x
  3. Step 3: Cross multiply
    28,178.02x = 38,885.88 × 16,241.32
  4. Step 4: Simplify right side
    28,178.02x = 631,558,020.56
  5. Step 5: Solve for x
    x = 631,558,020.56/28,178.02
  6. Step 6: Final answer
    x = 22,413.14

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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.