Home / 25,739.48-38,543.88-21,568.52

Finding the Fourth Proportional to 25,739.48, 38,543.88 and 21,568.52

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Solution

The fourth proportional to 25,739.48, 38,543.88 and 21,568.52 is: 32,298.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,739.48 : 38,543.88 = 21,568.52 : x
  2. Step 2: Convert to fraction form
    25,739.48/38,543.88 = 21,568.52/x
  3. Step 3: Cross multiply
    25,739.48x = 38,543.88 × 21,568.52
  4. Step 4: Simplify right side
    25,739.48x = 831,334,446.66
  5. Step 5: Solve for x
    x = 831,334,446.66/25,739.48
  6. Step 6: Final answer
    x = 32,298.03

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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.