Home / 28,153.24-42,235.86-10,383.94

Finding the Fourth Proportional to 28,153.24, 42,235.86 and 10,383.94

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Solution

The fourth proportional to 28,153.24, 42,235.86 and 10,383.94 is: 15,578.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.24 : 42,235.86 = 10,383.94 : x
  2. Step 2: Convert to fraction form
    28,153.24/42,235.86 = 10,383.94/x
  3. Step 3: Cross multiply
    28,153.24x = 42,235.86 × 10,383.94
  4. Step 4: Simplify right side
    28,153.24x = 438,574,636.09
  5. Step 5: Solve for x
    x = 438,574,636.09/28,153.24
  6. Step 6: Final answer
    x = 15,578.12

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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.