Home / 25,801.48-38,664.86-17,788.02

Finding the Fourth Proportional to 25,801.48, 38,664.86 and 17,788.02

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Solution

The fourth proportional to 25,801.48, 38,664.86 and 17,788.02 is: 26,656.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,801.48 : 38,664.86 = 17,788.02 : x
  2. Step 2: Convert to fraction form
    25,801.48/38,664.86 = 17,788.02/x
  3. Step 3: Cross multiply
    25,801.48x = 38,664.86 × 17,788.02
  4. Step 4: Simplify right side
    25,801.48x = 687,771,347.45
  5. Step 5: Solve for x
    x = 687,771,347.45/25,801.48
  6. Step 6: Final answer
    x = 26,656.28

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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.