Home / 28,323.77-42,460.81-10,781.93

Finding the Fourth Proportional to 28,323.77, 42,460.81 and 10,781.93

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Solution

The fourth proportional to 28,323.77, 42,460.81 and 10,781.93 is: 16,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,323.77 : 42,460.81 = 10,781.93 : x
  2. Step 2: Convert to fraction form
    28,323.77/42,460.81 = 10,781.93/x
  3. Step 3: Cross multiply
    28,323.77x = 42,460.81 × 10,781.93
  4. Step 4: Simplify right side
    28,323.77x = 457,809,481.16
  5. Step 5: Solve for x
    x = 457,809,481.16/28,323.77
  6. Step 6: Final answer
    x = 16,163.44

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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.