Home / 25,557.54-38,335.38-12,406.38

Finding the Fourth Proportional to 25,557.54, 38,335.38 and 12,406.38

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Solution

The fourth proportional to 25,557.54, 38,335.38 and 12,406.38 is: 18,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,557.54 : 38,335.38 = 12,406.38 : x
  2. Step 2: Convert to fraction form
    25,557.54/38,335.38 = 12,406.38/x
  3. Step 3: Cross multiply
    25,557.54x = 38,335.38 × 12,406.38
  4. Step 4: Simplify right side
    25,557.54x = 475,603,291.72
  5. Step 5: Solve for x
    x = 475,603,291.72/25,557.54
  6. Step 6: Final answer
    x = 18,609.12

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1.5x scale

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.