Home / 28,577.41-39,436.78-16,002.16

Finding the Fourth Proportional to 28,577.41, 39,436.78 and 16,002.16

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Solution

The fourth proportional to 28,577.41, 39,436.78 and 16,002.16 is: 22,082.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.41 : 39,436.78 = 16,002.16 : x
  2. Step 2: Convert to fraction form
    28,577.41/39,436.78 = 16,002.16/x
  3. Step 3: Cross multiply
    28,577.41x = 39,436.78 × 16,002.16
  4. Step 4: Simplify right side
    28,577.41x = 631,073,663.44
  5. Step 5: Solve for x
    x = 631,073,663.44/28,577.41
  6. Step 6: Final answer
    x = 22,082.96

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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.