Home / 28,577.40-39,436.38-16,002.60

Finding the Fourth Proportional to 28,577.40, 39,436.38 and 16,002.60

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Solution

The fourth proportional to 28,577.40, 39,436.38 and 16,002.60 is: 22,083.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.40 : 39,436.38 = 16,002.60 : x
  2. Step 2: Convert to fraction form
    28,577.40/39,436.38 = 16,002.60/x
  3. Step 3: Cross multiply
    28,577.40x = 39,436.38 × 16,002.60
  4. Step 4: Simplify right side
    28,577.40x = 631,084,614.59
  5. Step 5: Solve for x
    x = 631,084,614.59/28,577.40
  6. Step 6: Final answer
    x = 22,083.35

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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.