Home / 28,768.28-43,152.42-9,049.64

Finding the Fourth Proportional to 28,768.28, 43,152.42 and 9,049.64

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Solution

The fourth proportional to 28,768.28, 43,152.42 and 9,049.64 is: 13,574.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.28 : 43,152.42 = 9,049.64 : x
  2. Step 2: Convert to fraction form
    28,768.28/43,152.42 = 9,049.64/x
  3. Step 3: Cross multiply
    28,768.28x = 43,152.42 × 9,049.64
  4. Step 4: Simplify right side
    28,768.28x = 390,513,866.13
  5. Step 5: Solve for x
    x = 390,513,866.13/28,768.28
  6. Step 6: Final answer
    x = 13,574.46

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Similar ratio
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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.