Home / 28,436.29-42,566.94-18,554.29

Finding the Fourth Proportional to 28,436.29, 42,566.94 and 18,554.29

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Solution

The fourth proportional to 28,436.29, 42,566.94 and 18,554.29 is: 27,774.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436.29 : 42,566.94 = 18,554.29 : x
  2. Step 2: Convert to fraction form
    28,436.29/42,566.94 = 18,554.29/x
  3. Step 3: Cross multiply
    28,436.29x = 42,566.94 × 18,554.29
  4. Step 4: Simplify right side
    28,436.29x = 789,799,349.17
  5. Step 5: Solve for x
    x = 789,799,349.17/28,436.29
  6. Step 6: Final answer
    x = 27,774.35

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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.