Home / 28,577.28-39,436.62-16,002.30

Finding the Fourth Proportional to 28,577.28, 39,436.62 and 16,002.30

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Solution

The fourth proportional to 28,577.28, 39,436.62 and 16,002.30 is: 22,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.28 : 39,436.62 = 16,002.30 : x
  2. Step 2: Convert to fraction form
    28,577.28/39,436.62 = 16,002.30/x
  3. Step 3: Cross multiply
    28,577.28x = 39,436.62 × 16,002.30
  4. Step 4: Simplify right side
    28,577.28x = 631,076,624.23
  5. Step 5: Solve for x
    x = 631,076,624.23/28,577.28
  6. Step 6: Final answer
    x = 22,083.16

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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.