Home / 28,880.84-43,319.43-12,230.48

Finding the Fourth Proportional to 28,880.84, 43,319.43 and 12,230.48

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Solution

The fourth proportional to 28,880.84, 43,319.43 and 12,230.48 is: 18,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.84 : 43,319.43 = 12,230.48 : x
  2. Step 2: Convert to fraction form
    28,880.84/43,319.43 = 12,230.48/x
  3. Step 3: Cross multiply
    28,880.84x = 43,319.43 × 12,230.48
  4. Step 4: Simplify right side
    28,880.84x = 529,817,205.63
  5. Step 5: Solve for x
    x = 529,817,205.63/28,880.84
  6. Step 6: Final answer
    x = 18,344.94

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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.