Home / 26,265.80-39,365.84-13,121.84

Finding the Fourth Proportional to 26,265.80, 39,365.84 and 13,121.84

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Solution

The fourth proportional to 26,265.80, 39,365.84 and 13,121.84 is: 19,666.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,265.80 : 39,365.84 = 13,121.84 : x
  2. Step 2: Convert to fraction form
    26,265.80/39,365.84 = 13,121.84/x
  3. Step 3: Cross multiply
    26,265.80x = 39,365.84 × 13,121.84
  4. Step 4: Simplify right side
    26,265.80x = 516,552,253.95
  5. Step 5: Solve for x
    x = 516,552,253.95/26,265.80
  6. Step 6: Final answer
    x = 19,666.34

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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.