Home / 17,075.80-25,628.10-7,730.20

Finding the Fourth Proportional to 17,075.80, 25,628.10 and 7,730.20

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Solution

The fourth proportional to 17,075.80, 25,628.10 and 7,730.20 is: 11,601.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,075.80 : 25,628.10 = 7,730.20 : x
  2. Step 2: Convert to fraction form
    17,075.80/25,628.10 = 7,730.20/x
  3. Step 3: Cross multiply
    17,075.80x = 25,628.10 × 7,730.20
  4. Step 4: Simplify right side
    17,075.80x = 198,110,338.62
  5. Step 5: Solve for x
    x = 198,110,338.62/17,075.80
  6. Step 6: Final answer
    x = 11,601.82

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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.