Home / 28,718.48-39,619.32-17,534

Finding the Fourth Proportional to 28,718.48, 39,619.32 and 17,534

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Solution

The fourth proportional to 28,718.48, 39,619.32 and 17,534 is: 24,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.48 : 39,619.32 = 17,534 : x
  2. Step 2: Convert to fraction form
    28,718.48/39,619.32 = 17,534/x
  3. Step 3: Cross multiply
    28,718.48x = 39,619.32 × 17,534
  4. Step 4: Simplify right side
    28,718.48x = 694,685,156.88
  5. Step 5: Solve for x
    x = 694,685,156.88/28,718.48
  6. Step 6: Final answer
    x = 24,189.48

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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.