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Finding the Fourth Proportional to 22,095.78, 30,503.48 and 17,048.67

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Solution

The fourth proportional to 22,095.78, 30,503.48 and 17,048.67 is: 23,535.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,095.78 : 30,503.48 = 17,048.67 : x
  2. Step 2: Convert to fraction form
    22,095.78/30,503.48 = 17,048.67/x
  3. Step 3: Cross multiply
    22,095.78x = 30,503.48 × 17,048.67
  4. Step 4: Simplify right side
    22,095.78x = 520,043,679.13
  5. Step 5: Solve for x
    x = 520,043,679.13/22,095.78
  6. Step 6: Final answer
    x = 23,535.88

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1.5x scale

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.