Home / 25,906.24-38,771.28-19,316.08

Finding the Fourth Proportional to 25,906.24, 38,771.28 and 19,316.08

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Solution

The fourth proportional to 25,906.24, 38,771.28 and 19,316.08 is: 28,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,906.24 : 38,771.28 = 19,316.08 : x
  2. Step 2: Convert to fraction form
    25,906.24/38,771.28 = 19,316.08/x
  3. Step 3: Cross multiply
    25,906.24x = 38,771.28 × 19,316.08
  4. Step 4: Simplify right side
    25,906.24x = 748,909,146.18
  5. Step 5: Solve for x
    x = 748,909,146.18/25,906.24
  6. Step 6: Final answer
    x = 28,908.45

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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.