Home / 17,478.57-26,219.85-5,791.80

Finding the Fourth Proportional to 17,478.57, 26,219.85 and 5,791.80

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Solution

The fourth proportional to 17,478.57, 26,219.85 and 5,791.80 is: 8,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,478.57 : 26,219.85 = 5,791.80 : x
  2. Step 2: Convert to fraction form
    17,478.57/26,219.85 = 5,791.80/x
  3. Step 3: Cross multiply
    17,478.57x = 26,219.85 × 5,791.80
  4. Step 4: Simplify right side
    17,478.57x = 151,860,127.23
  5. Step 5: Solve for x
    x = 151,860,127.23/17,478.57
  6. Step 6: Final answer
    x = 8,688.36

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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.