Home / 28,290.98-42,436.53-10,525.54

Finding the Fourth Proportional to 28,290.98, 42,436.53 and 10,525.54

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Solution

The fourth proportional to 28,290.98, 42,436.53 and 10,525.54 is: 15,788.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,290.98 : 42,436.53 = 10,525.54 : x
  2. Step 2: Convert to fraction form
    28,290.98/42,436.53 = 10,525.54/x
  3. Step 3: Cross multiply
    28,290.98x = 42,436.53 × 10,525.54
  4. Step 4: Simplify right side
    28,290.98x = 446,667,393.98
  5. Step 5: Solve for x
    x = 446,667,393.98/28,290.98
  6. Step 6: Final answer
    x = 15,788.33

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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.