Home / 28,564.08-42,845.10-7,503.96

Finding the Fourth Proportional to 28,564.08, 42,845.10 and 7,503.96

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Solution

The fourth proportional to 28,564.08, 42,845.10 and 7,503.96 is: 11,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.08 : 42,845.10 = 7,503.96 : x
  2. Step 2: Convert to fraction form
    28,564.08/42,845.10 = 7,503.96/x
  3. Step 3: Cross multiply
    28,564.08x = 42,845.10 × 7,503.96
  4. Step 4: Simplify right side
    28,564.08x = 321,507,916.60
  5. Step 5: Solve for x
    x = 321,507,916.60/28,564.08
  6. Step 6: Final answer
    x = 11,255.67

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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.