Home / 28,046.24-42,068.18-11,405.63

Finding the Fourth Proportional to 28,046.24, 42,068.18 and 11,405.63

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Solution

The fourth proportional to 28,046.24, 42,068.18 and 11,405.63 is: 17,107.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046.24 : 42,068.18 = 11,405.63 : x
  2. Step 2: Convert to fraction form
    28,046.24/42,068.18 = 11,405.63/x
  3. Step 3: Cross multiply
    28,046.24x = 42,068.18 × 11,405.63
  4. Step 4: Simplify right side
    28,046.24x = 479,813,914.03
  5. Step 5: Solve for x
    x = 479,813,914.03/28,046.24
  6. Step 6: Final answer
    x = 17,107.96

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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.