Home / 28,252.26-42,394.79-12,669.89

Finding the Fourth Proportional to 28,252.26, 42,394.79 and 12,669.89

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Solution

The fourth proportional to 28,252.26, 42,394.79 and 12,669.89 is: 19,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.26 : 42,394.79 = 12,669.89 : x
  2. Step 2: Convert to fraction form
    28,252.26/42,394.79 = 12,669.89/x
  3. Step 3: Cross multiply
    28,252.26x = 42,394.79 × 12,669.89
  4. Step 4: Simplify right side
    28,252.26x = 537,137,145.57
  5. Step 5: Solve for x
    x = 537,137,145.57/28,252.26
  6. Step 6: Final answer
    x = 19,012.18

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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.