Home / 25,997.76-39,000.48-8,461.92

Finding the Fourth Proportional to 25,997.76, 39,000.48 and 8,461.92

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Solution

The fourth proportional to 25,997.76, 39,000.48 and 8,461.92 is: 12,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,997.76 : 39,000.48 = 8,461.92 : x
  2. Step 2: Convert to fraction form
    25,997.76/39,000.48 = 8,461.92/x
  3. Step 3: Cross multiply
    25,997.76x = 39,000.48 × 8,461.92
  4. Step 4: Simplify right side
    25,997.76x = 330,018,941.72
  5. Step 5: Solve for x
    x = 330,018,941.72/25,997.76
  6. Step 6: Final answer
    x = 12,694.13

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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.