Home / 28,876.24-43,298.97-13,280.50

Finding the Fourth Proportional to 28,876.24, 43,298.97 and 13,280.50

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Solution

The fourth proportional to 28,876.24, 43,298.97 and 13,280.50 is: 19,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,876.24 : 43,298.97 = 13,280.50 : x
  2. Step 2: Convert to fraction form
    28,876.24/43,298.97 = 13,280.50/x
  3. Step 3: Cross multiply
    28,876.24x = 43,298.97 × 13,280.50
  4. Step 4: Simplify right side
    28,876.24x = 575,031,971.09
  5. Step 5: Solve for x
    x = 575,031,971.09/28,876.24
  6. Step 6: Final answer
    x = 19,913.67

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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.