Home / 28,406.03-42,561.96-17,279.06

Finding the Fourth Proportional to 28,406.03, 42,561.96 and 17,279.06

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Solution

The fourth proportional to 28,406.03, 42,561.96 and 17,279.06 is: 25,889.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,406.03 : 42,561.96 = 17,279.06 : x
  2. Step 2: Convert to fraction form
    28,406.03/42,561.96 = 17,279.06/x
  3. Step 3: Cross multiply
    28,406.03x = 42,561.96 × 17,279.06
  4. Step 4: Simplify right side
    28,406.03x = 735,430,660.56
  5. Step 5: Solve for x
    x = 735,430,660.56/28,406.03
  6. Step 6: Final answer
    x = 25,889.95

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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.