Home / 19,258.04-28,839.87-15,905.77

Finding the Fourth Proportional to 19,258.04, 28,839.87 and 15,905.77

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Solution

The fourth proportional to 19,258.04, 28,839.87 and 15,905.77 is: 23,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.04 : 28,839.87 = 15,905.77 : x
  2. Step 2: Convert to fraction form
    19,258.04/28,839.87 = 15,905.77/x
  3. Step 3: Cross multiply
    19,258.04x = 28,839.87 × 15,905.77
  4. Step 4: Simplify right side
    19,258.04x = 458,720,266.95
  5. Step 5: Solve for x
    x = 458,720,266.95/19,258.04
  6. Step 6: Final answer
    x = 23,819.67

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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.