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Finding the Fourth Proportional to 26,706.99, 36,855.90 and 14,771.13

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Solution

The fourth proportional to 26,706.99, 36,855.90 and 14,771.13 is: 20,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,706.99 : 36,855.90 = 14,771.13 : x
  2. Step 2: Convert to fraction form
    26,706.99/36,855.90 = 14,771.13/x
  3. Step 3: Cross multiply
    26,706.99x = 36,855.90 × 14,771.13
  4. Step 4: Simplify right side
    26,706.99x = 544,403,290.17
  5. Step 5: Solve for x
    x = 544,403,290.17/26,706.99
  6. Step 6: Final answer
    x = 20,384.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.