Home / 28,239.03-42,350.45-11,372.00

Finding the Fourth Proportional to 28,239.03, 42,350.45 and 11,372.00

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Solution

The fourth proportional to 28,239.03, 42,350.45 and 11,372.00 is: 17,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.03 : 42,350.45 = 11,372.00 : x
  2. Step 2: Convert to fraction form
    28,239.03/42,350.45 = 11,372.00/x
  3. Step 3: Cross multiply
    28,239.03x = 42,350.45 × 11,372.00
  4. Step 4: Simplify right side
    28,239.03x = 481,609,048.79
  5. Step 5: Solve for x
    x = 481,609,048.79/28,239.03
  6. Step 6: Final answer
    x = 17,054.73

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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.