Home / 28,089.82-42,134.70-11,446.24

Finding the Fourth Proportional to 28,089.82, 42,134.70 and 11,446.24

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Solution

The fourth proportional to 28,089.82, 42,134.70 and 11,446.24 is: 17,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,089.82 : 42,134.70 = 11,446.24 : x
  2. Step 2: Convert to fraction form
    28,089.82/42,134.70 = 11,446.24/x
  3. Step 3: Cross multiply
    28,089.82x = 42,134.70 × 11,446.24
  4. Step 4: Simplify right side
    28,089.82x = 482,283,888.53
  5. Step 5: Solve for x
    x = 482,283,888.53/28,089.82
  6. Step 6: Final answer
    x = 17,169.35

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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.