Home / 20,495.04-30,768.48-17,436.48

Finding the Fourth Proportional to 20,495.04, 30,768.48 and 17,436.48

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Solution

The fourth proportional to 20,495.04, 30,768.48 and 17,436.48 is: 26,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,495.04 : 30,768.48 = 17,436.48 : x
  2. Step 2: Convert to fraction form
    20,495.04/30,768.48 = 17,436.48/x
  3. Step 3: Cross multiply
    20,495.04x = 30,768.48 × 17,436.48
  4. Step 4: Simplify right side
    20,495.04x = 536,493,986.15
  5. Step 5: Solve for x
    x = 536,493,986.15/20,495.04
  6. Step 6: Final answer
    x = 26,176.77

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1.5x scale

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.