Home / 28,572.04-39,429.37-15,996.79

Finding the Fourth Proportional to 28,572.04, 39,429.37 and 15,996.79

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Solution

The fourth proportional to 28,572.04, 39,429.37 and 15,996.79 is: 22,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.04 : 39,429.37 = 15,996.79 : x
  2. Step 2: Convert to fraction form
    28,572.04/39,429.37 = 15,996.79/x
  3. Step 3: Cross multiply
    28,572.04x = 39,429.37 × 15,996.79
  4. Step 4: Simplify right side
    28,572.04x = 630,743,074.59
  5. Step 5: Solve for x
    x = 630,743,074.59/28,572.04
  6. Step 6: Final answer
    x = 22,075.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.