Home / 28,713.69-39,628.44-17,383.61

Finding the Fourth Proportional to 28,713.69, 39,628.44 and 17,383.61

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Solution

The fourth proportional to 28,713.69, 39,628.44 and 17,383.61 is: 23,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,713.69 : 39,628.44 = 17,383.61 : x
  2. Step 2: Convert to fraction form
    28,713.69/39,628.44 = 17,383.61/x
  3. Step 3: Cross multiply
    28,713.69x = 39,628.44 × 17,383.61
  4. Step 4: Simplify right side
    28,713.69x = 688,885,444.94
  5. Step 5: Solve for x
    x = 688,885,444.94/28,713.69
  6. Step 6: Final answer
    x = 23,991.53

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Double scale
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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.