Home / 25,827.24-38,746.24-8,309.36

Finding the Fourth Proportional to 25,827.24, 38,746.24 and 8,309.36

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Solution

The fourth proportional to 25,827.24, 38,746.24 and 8,309.36 is: 12,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,827.24 : 38,746.24 = 8,309.36 : x
  2. Step 2: Convert to fraction form
    25,827.24/38,746.24 = 8,309.36/x
  3. Step 3: Cross multiply
    25,827.24x = 38,746.24 × 8,309.36
  4. Step 4: Simplify right side
    25,827.24x = 321,956,456.81
  5. Step 5: Solve for x
    x = 321,956,456.81/25,827.24
  6. Step 6: Final answer
    x = 12,465.77

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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.