Home / 26,000.48-39,087.72-20,519.88

Finding the Fourth Proportional to 26,000.48, 39,087.72 and 20,519.88

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Solution

The fourth proportional to 26,000.48, 39,087.72 and 20,519.88 is: 30,848.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,000.48 : 39,087.72 = 20,519.88 : x
  2. Step 2: Convert to fraction form
    26,000.48/39,087.72 = 20,519.88/x
  3. Step 3: Cross multiply
    26,000.48x = 39,087.72 × 20,519.88
  4. Step 4: Simplify right side
    26,000.48x = 802,075,323.87
  5. Step 5: Solve for x
    x = 802,075,323.87/26,000.48
  6. Step 6: Final answer
    x = 30,848.49

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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.