Home / 25,585.52-38,379.48-15,718.64

Finding the Fourth Proportional to 25,585.52, 38,379.48 and 15,718.64

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Solution

The fourth proportional to 25,585.52, 38,379.48 and 15,718.64 is: 23,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,585.52 : 38,379.48 = 15,718.64 : x
  2. Step 2: Convert to fraction form
    25,585.52/38,379.48 = 15,718.64/x
  3. Step 3: Cross multiply
    25,585.52x = 38,379.48 × 15,718.64
  4. Step 4: Simplify right side
    25,585.52x = 603,273,229.51
  5. Step 5: Solve for x
    x = 603,273,229.51/25,585.52
  6. Step 6: Final answer
    x = 23,578.70

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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.