Home / 28,559.30-42,840.63-11,029.22

Finding the Fourth Proportional to 28,559.30, 42,840.63 and 11,029.22

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Solution

The fourth proportional to 28,559.30, 42,840.63 and 11,029.22 is: 16,544.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.30 : 42,840.63 = 11,029.22 : x
  2. Step 2: Convert to fraction form
    28,559.30/42,840.63 = 11,029.22/x
  3. Step 3: Cross multiply
    28,559.30x = 42,840.63 × 11,029.22
  4. Step 4: Simplify right side
    28,559.30x = 472,498,733.21
  5. Step 5: Solve for x
    x = 472,498,733.21/28,559.30
  6. Step 6: Final answer
    x = 16,544.48

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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.