Home / 28,824.93-39,732.93-21,246.98

Finding the Fourth Proportional to 28,824.93, 39,732.93 and 21,246.98

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Solution

The fourth proportional to 28,824.93, 39,732.93 and 21,246.98 is: 29,287.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,824.93 : 39,732.93 = 21,246.98 : x
  2. Step 2: Convert to fraction form
    28,824.93/39,732.93 = 21,246.98/x
  3. Step 3: Cross multiply
    28,824.93x = 39,732.93 × 21,246.98
  4. Step 4: Simplify right side
    28,824.93x = 844,204,570.39
  5. Step 5: Solve for x
    x = 844,204,570.39/28,824.93
  6. Step 6: Final answer
    x = 29,287.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.