Home / 28,410.19-42,615.25-7,633.69

Finding the Fourth Proportional to 28,410.19, 42,615.25 and 7,633.69

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Solution

The fourth proportional to 28,410.19, 42,615.25 and 7,633.69 is: 11,450.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,410.19 : 42,615.25 = 7,633.69 : x
  2. Step 2: Convert to fraction form
    28,410.19/42,615.25 = 7,633.69/x
  3. Step 3: Cross multiply
    28,410.19x = 42,615.25 × 7,633.69
  4. Step 4: Simplify right side
    28,410.19x = 325,311,607.77
  5. Step 5: Solve for x
    x = 325,311,607.77/28,410.19
  6. Step 6: Final answer
    x = 11,450.53

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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.