Home / 28,577.95-39,456.83-17,839.18

Finding the Fourth Proportional to 28,577.95, 39,456.83 and 17,839.18

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Solution

The fourth proportional to 28,577.95, 39,456.83 and 17,839.18 is: 24,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.95 : 39,456.83 = 17,839.18 : x
  2. Step 2: Convert to fraction form
    28,577.95/39,456.83 = 17,839.18/x
  3. Step 3: Cross multiply
    28,577.95x = 39,456.83 × 17,839.18
  4. Step 4: Simplify right side
    28,577.95x = 703,877,492.60
  5. Step 5: Solve for x
    x = 703,877,492.60/28,577.95
  6. Step 6: Final answer
    x = 24,630.09

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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.