Home / 25,638.27-38,454.32-6,916.86

Finding the Fourth Proportional to 25,638.27, 38,454.32 and 6,916.86

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Solution

The fourth proportional to 25,638.27, 38,454.32 and 6,916.86 is: 10,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.27 : 38,454.32 = 6,916.86 : x
  2. Step 2: Convert to fraction form
    25,638.27/38,454.32 = 6,916.86/x
  3. Step 3: Cross multiply
    25,638.27x = 38,454.32 × 6,916.86
  4. Step 4: Simplify right side
    25,638.27x = 265,983,113.25
  5. Step 5: Solve for x
    x = 265,983,113.25/25,638.27
  6. Step 6: Final answer
    x = 10,374.46

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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.