Home / 28,880.14-43,321.38-9,158.26

Finding the Fourth Proportional to 28,880.14, 43,321.38 and 9,158.26

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Solution

The fourth proportional to 28,880.14, 43,321.38 and 9,158.26 is: 13,737.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,880.14 : 43,321.38 = 9,158.26 : x
  2. Step 2: Convert to fraction form
    28,880.14/43,321.38 = 9,158.26/x
  3. Step 3: Cross multiply
    28,880.14x = 43,321.38 × 9,158.26
  4. Step 4: Simplify right side
    28,880.14x = 396,748,461.60
  5. Step 5: Solve for x
    x = 396,748,461.60/28,880.14
  6. Step 6: Final answer
    x = 13,737.76

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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.