Home / 28,437.96-42,663-10,907.64

Finding the Fourth Proportional to 28,437.96, 42,663 and 10,907.64

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Solution

The fourth proportional to 28,437.96, 42,663 and 10,907.64 is: 16,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,437.96 : 42,663 = 10,907.64 : x
  2. Step 2: Convert to fraction form
    28,437.96/42,663 = 10,907.64/x
  3. Step 3: Cross multiply
    28,437.96x = 42,663 × 10,907.64
  4. Step 4: Simplify right side
    28,437.96x = 465,352,645.32
  5. Step 5: Solve for x
    x = 465,352,645.32/28,437.96
  6. Step 6: Final answer
    x = 16,363.78

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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.