Home / 28,262.70-39,002.89-15,514.03

Finding the Fourth Proportional to 28,262.70, 39,002.89 and 15,514.03

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Solution

The fourth proportional to 28,262.70, 39,002.89 and 15,514.03 is: 21,409.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.70 : 39,002.89 = 15,514.03 : x
  2. Step 2: Convert to fraction form
    28,262.70/39,002.89 = 15,514.03/x
  3. Step 3: Cross multiply
    28,262.70x = 39,002.89 × 15,514.03
  4. Step 4: Simplify right side
    28,262.70x = 605,092,088.24
  5. Step 5: Solve for x
    x = 605,092,088.24/28,262.70
  6. Step 6: Final answer
    x = 21,409.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.