Home / 28,664.12-39,560.13-17,333.70

Finding the Fourth Proportional to 28,664.12, 39,560.13 and 17,333.70

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Solution

The fourth proportional to 28,664.12, 39,560.13 and 17,333.70 is: 23,922.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,664.12 : 39,560.13 = 17,333.70 : x
  2. Step 2: Convert to fraction form
    28,664.12/39,560.13 = 17,333.70/x
  3. Step 3: Cross multiply
    28,664.12x = 39,560.13 × 17,333.70
  4. Step 4: Simplify right side
    28,664.12x = 685,723,326.48
  5. Step 5: Solve for x
    x = 685,723,326.48/28,664.12
  6. Step 6: Final answer
    x = 23,922.70

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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.