Home / 28,663.95-39,558.38-17,333.88

Finding the Fourth Proportional to 28,663.95, 39,558.38 and 17,333.88

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Solution

The fourth proportional to 28,663.95, 39,558.38 and 17,333.88 is: 23,922.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,663.95 : 39,558.38 = 17,333.88 : x
  2. Step 2: Convert to fraction form
    28,663.95/39,558.38 = 17,333.88/x
  3. Step 3: Cross multiply
    28,663.95x = 39,558.38 × 17,333.88
  4. Step 4: Simplify right side
    28,663.95x = 685,700,125.25
  5. Step 5: Solve for x
    x = 685,700,125.25/28,663.95
  6. Step 6: Final answer
    x = 23,922.04

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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.