Home / 19,075.75-28,621.50-10,300.33

Finding the Fourth Proportional to 19,075.75, 28,621.50 and 10,300.33

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Solution

The fourth proportional to 19,075.75, 28,621.50 and 10,300.33 is: 15,454.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.75 : 28,621.50 = 10,300.33 : x
  2. Step 2: Convert to fraction form
    19,075.75/28,621.50 = 10,300.33/x
  3. Step 3: Cross multiply
    19,075.75x = 28,621.50 × 10,300.33
  4. Step 4: Simplify right side
    19,075.75x = 294,810,895.10
  5. Step 5: Solve for x
    x = 294,810,895.10/19,075.75
  6. Step 6: Final answer
    x = 15,454.75

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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.