Home / 28,338.24-42,506.28-7,561.56

Finding the Fourth Proportional to 28,338.24, 42,506.28 and 7,561.56

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Solution

The fourth proportional to 28,338.24, 42,506.28 and 7,561.56 is: 11,342.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.24 : 42,506.28 = 7,561.56 : x
  2. Step 2: Convert to fraction form
    28,338.24/42,506.28 = 7,561.56/x
  3. Step 3: Cross multiply
    28,338.24x = 42,506.28 × 7,561.56
  4. Step 4: Simplify right side
    28,338.24x = 321,413,786.60
  5. Step 5: Solve for x
    x = 321,413,786.60/28,338.24
  6. Step 6: Final answer
    x = 11,342.05

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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.