Home / 18,030.96-27,043.32-4,880.26

Finding the Fourth Proportional to 18,030.96, 27,043.32 and 4,880.26

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Solution

The fourth proportional to 18,030.96, 27,043.32 and 4,880.26 is: 7,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,030.96 : 27,043.32 = 4,880.26 : x
  2. Step 2: Convert to fraction form
    18,030.96/27,043.32 = 4,880.26/x
  3. Step 3: Cross multiply
    18,030.96x = 27,043.32 × 4,880.26
  4. Step 4: Simplify right side
    18,030.96x = 131,978,432.86
  5. Step 5: Solve for x
    x = 131,978,432.86/18,030.96
  6. Step 6: Final answer
    x = 7,319.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.