Home / 25,401.89-38,088.91-7,866.85

Finding the Fourth Proportional to 25,401.89, 38,088.91 and 7,866.85

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Solution

The fourth proportional to 25,401.89, 38,088.91 and 7,866.85 is: 11,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,401.89 : 38,088.91 = 7,866.85 : x
  2. Step 2: Convert to fraction form
    25,401.89/38,088.91 = 7,866.85/x
  3. Step 3: Cross multiply
    25,401.89x = 38,088.91 × 7,866.85
  4. Step 4: Simplify right side
    25,401.89x = 299,639,741.63
  5. Step 5: Solve for x
    x = 299,639,741.63/25,401.89
  6. Step 6: Final answer
    x = 11,795.96

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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.