Home / 28,042.49-38,697.95-15,466.97

Finding the Fourth Proportional to 28,042.49, 38,697.95 and 15,466.97

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Solution

The fourth proportional to 28,042.49, 38,697.95 and 15,466.97 is: 21,344.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,042.49 : 38,697.95 = 15,466.97 : x
  2. Step 2: Convert to fraction form
    28,042.49/38,697.95 = 15,466.97/x
  3. Step 3: Cross multiply
    28,042.49x = 38,697.95 × 15,466.97
  4. Step 4: Simplify right side
    28,042.49x = 598,539,876.89
  5. Step 5: Solve for x
    x = 598,539,876.89/28,042.49
  6. Step 6: Final answer
    x = 21,344.04

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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.