Home / 28,713.17-39,615.27-16,767.89

Finding the Fourth Proportional to 28,713.17, 39,615.27 and 16,767.89

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Solution

The fourth proportional to 28,713.17, 39,615.27 and 16,767.89 is: 23,134.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.17 : 39,615.27 = 16,767.89 : x
  2. Step 2: Convert to fraction form
    28,713.17/39,615.27 = 16,767.89/x
  3. Step 3: Cross multiply
    28,713.17x = 39,615.27 × 16,767.89
  4. Step 4: Simplify right side
    28,713.17x = 664,264,489.68
  5. Step 5: Solve for x
    x = 664,264,489.68/28,713.17
  6. Step 6: Final answer
    x = 23,134.49

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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.