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Finding the Fourth Proportional to 15,232, 21,023.04 and 8,608

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Solution

The fourth proportional to 15,232, 21,023.04 and 8,608 is: 11,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,232 : 21,023.04 = 8,608 : x
  2. Step 2: Convert to fraction form
    15,232/21,023.04 = 8,608/x
  3. Step 3: Cross multiply
    15,232x = 21,023.04 × 8,608
  4. Step 4: Simplify right side
    15,232x = 180,966,328.32
  5. Step 5: Solve for x
    x = 180,966,328.32/15,232
  6. Step 6: Final answer
    x = 11,880.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.