Home / 25,401.88-38,106.06-7,872.76

Finding the Fourth Proportional to 25,401.88, 38,106.06 and 7,872.76

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Solution

The fourth proportional to 25,401.88, 38,106.06 and 7,872.76 is: 11,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.88 : 38,106.06 = 7,872.76 : x
  2. Step 2: Convert to fraction form
    25,401.88/38,106.06 = 7,872.76/x
  3. Step 3: Cross multiply
    25,401.88x = 38,106.06 × 7,872.76
  4. Step 4: Simplify right side
    25,401.88x = 299,999,864.93
  5. Step 5: Solve for x
    x = 299,999,864.93/25,401.88
  6. Step 6: Final answer
    x = 11,810.14

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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.