Home / 28,744.47-39,665.03-15,996.69

Finding the Fourth Proportional to 28,744.47, 39,665.03 and 15,996.69

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Solution

The fourth proportional to 28,744.47, 39,665.03 and 15,996.69 is: 22,074.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.47 : 39,665.03 = 15,996.69 : x
  2. Step 2: Convert to fraction form
    28,744.47/39,665.03 = 15,996.69/x
  3. Step 3: Cross multiply
    28,744.47x = 39,665.03 × 15,996.69
  4. Step 4: Simplify right side
    28,744.47x = 634,509,108.77
  5. Step 5: Solve for x
    x = 634,509,108.77/28,744.47
  6. Step 6: Final answer
    x = 22,074.13

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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.