Home / 28,885.94-39,841.26-18,265.32

Finding the Fourth Proportional to 28,885.94, 39,841.26 and 18,265.32

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Solution

The fourth proportional to 28,885.94, 39,841.26 and 18,265.32 is: 25,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,885.94 : 39,841.26 = 18,265.32 : x
  2. Step 2: Convert to fraction form
    28,885.94/39,841.26 = 18,265.32/x
  3. Step 3: Cross multiply
    28,885.94x = 39,841.26 × 18,265.32
  4. Step 4: Simplify right side
    28,885.94x = 727,713,363.10
  5. Step 5: Solve for x
    x = 727,713,363.10/28,885.94
  6. Step 6: Final answer
    x = 25,192.65

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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.