Home / 28,219.58-42,335.73-14,186.33

Finding the Fourth Proportional to 28,219.58, 42,335.73 and 14,186.33

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Solution

The fourth proportional to 28,219.58, 42,335.73 and 14,186.33 is: 21,282.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.58 : 42,335.73 = 14,186.33 : x
  2. Step 2: Convert to fraction form
    28,219.58/42,335.73 = 14,186.33/x
  3. Step 3: Cross multiply
    28,219.58x = 42,335.73 × 14,186.33
  4. Step 4: Simplify right side
    28,219.58x = 600,588,424.89
  5. Step 5: Solve for x
    x = 600,588,424.89/28,219.58
  6. Step 6: Final answer
    x = 21,282.69

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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.