Home / 26,020.05-38,971.71-20,158.89

Finding the Fourth Proportional to 26,020.05, 38,971.71 and 20,158.89

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Solution

The fourth proportional to 26,020.05, 38,971.71 and 20,158.89 is: 30,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.05 : 38,971.71 = 20,158.89 : x
  2. Step 2: Convert to fraction form
    26,020.05/38,971.71 = 20,158.89/x
  3. Step 3: Cross multiply
    26,020.05x = 38,971.71 × 20,158.89
  4. Step 4: Simplify right side
    26,020.05x = 785,626,415.00
  5. Step 5: Solve for x
    x = 785,626,415.00/26,020.05
  6. Step 6: Final answer
    x = 30,193.12

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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.