Home / 28,313.82-42,456.15-10,537.16

Finding the Fourth Proportional to 28,313.82, 42,456.15 and 10,537.16

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Solution

The fourth proportional to 28,313.82, 42,456.15 and 10,537.16 is: 15,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,313.82 : 42,456.15 = 10,537.16 : x
  2. Step 2: Convert to fraction form
    28,313.82/42,456.15 = 10,537.16/x
  3. Step 3: Cross multiply
    28,313.82x = 42,456.15 × 10,537.16
  4. Step 4: Simplify right side
    28,313.82x = 447,367,033.25
  5. Step 5: Solve for x
    x = 447,367,033.25/28,313.82
  6. Step 6: Final answer
    x = 15,800.31

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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.