Home / 19,075.42-28,631.76-10,329.04

Finding the Fourth Proportional to 19,075.42, 28,631.76 and 10,329.04

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Solution

The fourth proportional to 19,075.42, 28,631.76 and 10,329.04 is: 15,503.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.42 : 28,631.76 = 10,329.04 : x
  2. Step 2: Convert to fraction form
    19,075.42/28,631.76 = 10,329.04/x
  3. Step 3: Cross multiply
    19,075.42x = 28,631.76 × 10,329.04
  4. Step 4: Simplify right side
    19,075.42x = 295,738,594.31
  5. Step 5: Solve for x
    x = 295,738,594.31/19,075.42
  6. Step 6: Final answer
    x = 15,503.65

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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.