Home / 25,809.36-35,616.60-14,630.64

Finding the Fourth Proportional to 25,809.36, 35,616.60 and 14,630.64

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Solution

The fourth proportional to 25,809.36, 35,616.60 and 14,630.64 is: 20,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,809.36 : 35,616.60 = 14,630.64 : x
  2. Step 2: Convert to fraction form
    25,809.36/35,616.60 = 14,630.64/x
  3. Step 3: Cross multiply
    25,809.36x = 35,616.60 × 14,630.64
  4. Step 4: Simplify right side
    25,809.36x = 521,093,652.62
  5. Step 5: Solve for x
    x = 521,093,652.62/25,809.36
  6. Step 6: Final answer
    x = 20,190.10

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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.