Home / 34,929.60-52,416-14,153.28

Finding the Fourth Proportional to 34,929.60, 52,416 and 14,153.28

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Solution

The fourth proportional to 34,929.60, 52,416 and 14,153.28 is: 21,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,929.60 : 52,416 = 14,153.28 : x
  2. Step 2: Convert to fraction form
    34,929.60/52,416 = 14,153.28/x
  3. Step 3: Cross multiply
    34,929.60x = 52,416 × 14,153.28
  4. Step 4: Simplify right side
    34,929.60x = 741,858,324.48
  5. Step 5: Solve for x
    x = 741,858,324.48/34,929.60
  6. Step 6: Final answer
    x = 21,238.67

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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.