Home / 25,306.23-37,908.32-21,187.38

Finding the Fourth Proportional to 25,306.23, 37,908.32 and 21,187.38

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Solution

The fourth proportional to 25,306.23, 37,908.32 and 21,187.38 is: 31,738.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,306.23 : 37,908.32 = 21,187.38 : x
  2. Step 2: Convert to fraction form
    25,306.23/37,908.32 = 21,187.38/x
  3. Step 3: Cross multiply
    25,306.23x = 37,908.32 × 21,187.38
  4. Step 4: Simplify right side
    25,306.23x = 803,177,875.06
  5. Step 5: Solve for x
    x = 803,177,875.06/25,306.23
  6. Step 6: Final answer
    x = 31,738.35

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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.