Home / 28,348.74-42,523.77-13,559.22

Finding the Fourth Proportional to 28,348.74, 42,523.77 and 13,559.22

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Solution

The fourth proportional to 28,348.74, 42,523.77 and 13,559.22 is: 20,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,348.74 : 42,523.77 = 13,559.22 : x
  2. Step 2: Convert to fraction form
    28,348.74/42,523.77 = 13,559.22/x
  3. Step 3: Cross multiply
    28,348.74x = 42,523.77 × 13,559.22
  4. Step 4: Simplify right side
    28,348.74x = 576,589,152.66
  5. Step 5: Solve for x
    x = 576,589,152.66/28,348.74
  6. Step 6: Final answer
    x = 20,339.15

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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.