Home / 28,360.11-42,536.91-7,585.23

Finding the Fourth Proportional to 28,360.11, 42,536.91 and 7,585.23

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Solution

The fourth proportional to 28,360.11, 42,536.91 and 7,585.23 is: 11,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.11 : 42,536.91 = 7,585.23 : x
  2. Step 2: Convert to fraction form
    28,360.11/42,536.91 = 7,585.23/x
  3. Step 3: Cross multiply
    28,360.11x = 42,536.91 × 7,585.23
  4. Step 4: Simplify right side
    28,360.11x = 322,652,245.84
  5. Step 5: Solve for x
    x = 322,652,245.84/28,360.11
  6. Step 6: Final answer
    x = 11,376.97

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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.