Home / 28,231.93-42,347.41-6,884.83

Finding the Fourth Proportional to 28,231.93, 42,347.41 and 6,884.83

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Solution

The fourth proportional to 28,231.93, 42,347.41 and 6,884.83 is: 10,327.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231.93 : 42,347.41 = 6,884.83 : x
  2. Step 2: Convert to fraction form
    28,231.93/42,347.41 = 6,884.83/x
  3. Step 3: Cross multiply
    28,231.93x = 42,347.41 × 6,884.83
  4. Step 4: Simplify right side
    28,231.93x = 291,554,754.51
  5. Step 5: Solve for x
    x = 291,554,754.51/28,231.93
  6. Step 6: Final answer
    x = 10,327.13

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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.