Home / 28,352.95-39,126.49-17,748.43

Finding the Fourth Proportional to 28,352.95, 39,126.49 and 17,748.43

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Solution

The fourth proportional to 28,352.95, 39,126.49 and 17,748.43 is: 24,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,352.95 : 39,126.49 = 17,748.43 : x
  2. Step 2: Convert to fraction form
    28,352.95/39,126.49 = 17,748.43/x
  3. Step 3: Cross multiply
    28,352.95x = 39,126.49 × 17,748.43
  4. Step 4: Simplify right side
    28,352.95x = 694,433,768.91
  5. Step 5: Solve for x
    x = 694,433,768.91/28,352.95
  6. Step 6: Final answer
    x = 24,492.47

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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.