Home / 25,751.48-38,561.88-21,580.52

Finding the Fourth Proportional to 25,751.48, 38,561.88 and 21,580.52

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Solution

The fourth proportional to 25,751.48, 38,561.88 and 21,580.52 is: 32,316.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.48 : 38,561.88 = 21,580.52 : x
  2. Step 2: Convert to fraction form
    25,751.48/38,561.88 = 21,580.52/x
  3. Step 3: Cross multiply
    25,751.48x = 38,561.88 × 21,580.52
  4. Step 4: Simplify right side
    25,751.48x = 832,185,422.58
  5. Step 5: Solve for x
    x = 832,185,422.58/25,751.48
  6. Step 6: Final answer
    x = 32,316.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.