Home / 28,252.07-42,326.43-13,231.62

Finding the Fourth Proportional to 28,252.07, 42,326.43 and 13,231.62

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Solution

The fourth proportional to 28,252.07, 42,326.43 and 13,231.62 is: 19,823.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.07 : 42,326.43 = 13,231.62 : x
  2. Step 2: Convert to fraction form
    28,252.07/42,326.43 = 13,231.62/x
  3. Step 3: Cross multiply
    28,252.07x = 42,326.43 × 13,231.62
  4. Step 4: Simplify right side
    28,252.07x = 560,047,237.72
  5. Step 5: Solve for x
    x = 560,047,237.72/28,252.07
  6. Step 6: Final answer
    x = 19,823.23

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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.