Home / 28,322.12-42,446.84-11,693.84

Finding the Fourth Proportional to 28,322.12, 42,446.84 and 11,693.84

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Solution

The fourth proportional to 28,322.12, 42,446.84 and 11,693.84 is: 17,525.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.12 : 42,446.84 = 11,693.84 : x
  2. Step 2: Convert to fraction form
    28,322.12/42,446.84 = 11,693.84/x
  3. Step 3: Cross multiply
    28,322.12x = 42,446.84 × 11,693.84
  4. Step 4: Simplify right side
    28,322.12x = 496,366,555.47
  5. Step 5: Solve for x
    x = 496,366,555.47/28,322.12
  6. Step 6: Final answer
    x = 17,525.76

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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.