Home / 26,000.02-39,000.09-8,471.21

Finding the Fourth Proportional to 26,000.02, 39,000.09 and 8,471.21

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Solution

The fourth proportional to 26,000.02, 39,000.09 and 8,471.21 is: 12,706.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.02 : 39,000.09 = 8,471.21 : x
  2. Step 2: Convert to fraction form
    26,000.02/39,000.09 = 8,471.21/x
  3. Step 3: Cross multiply
    26,000.02x = 39,000.09 × 8,471.21
  4. Step 4: Simplify right side
    26,000.02x = 330,377,952.41
  5. Step 5: Solve for x
    x = 330,377,952.41/26,000.02
  6. Step 6: Final answer
    x = 12,706.84

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Similar ratio
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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.