Home / 25,722.94-38,590.80-18,309.02

Finding the Fourth Proportional to 25,722.94, 38,590.80 and 18,309.02

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Solution

The fourth proportional to 25,722.94, 38,590.80 and 18,309.02 is: 27,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,722.94 : 38,590.80 = 18,309.02 : x
  2. Step 2: Convert to fraction form
    25,722.94/38,590.80 = 18,309.02/x
  3. Step 3: Cross multiply
    25,722.94x = 38,590.80 × 18,309.02
  4. Step 4: Simplify right side
    25,722.94x = 706,559,729.02
  5. Step 5: Solve for x
    x = 706,559,729.02/25,722.94
  6. Step 6: Final answer
    x = 27,468.08

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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.