Home / 25,931.95-38,904.03-8,401.73

Finding the Fourth Proportional to 25,931.95, 38,904.03 and 8,401.73

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Solution

The fourth proportional to 25,931.95, 38,904.03 and 8,401.73 is: 12,604.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.95 : 38,904.03 = 8,401.73 : x
  2. Step 2: Convert to fraction form
    25,931.95/38,904.03 = 8,401.73/x
  3. Step 3: Cross multiply
    25,931.95x = 38,904.03 × 8,401.73
  4. Step 4: Simplify right side
    25,931.95x = 326,860,961.45
  5. Step 5: Solve for x
    x = 326,860,961.45/25,931.95
  6. Step 6: Final answer
    x = 12,604.57

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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.