Home / 26,620.81-39,897.29-14,146.81

Finding the Fourth Proportional to 26,620.81, 39,897.29 and 14,146.81

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Solution

The fourth proportional to 26,620.81, 39,897.29 and 14,146.81 is: 21,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,620.81 : 39,897.29 = 14,146.81 : x
  2. Step 2: Convert to fraction form
    26,620.81/39,897.29 = 14,146.81/x
  3. Step 3: Cross multiply
    26,620.81x = 39,897.29 × 14,146.81
  4. Step 4: Simplify right side
    26,620.81x = 564,419,381.14
  5. Step 5: Solve for x
    x = 564,419,381.14/26,620.81
  6. Step 6: Final answer
    x = 21,202.19

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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.