Home / 28,732.64-39,638.48-17,548

Finding the Fourth Proportional to 28,732.64, 39,638.48 and 17,548

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Solution

The fourth proportional to 28,732.64, 39,638.48 and 17,548 is: 24,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,732.64 : 39,638.48 = 17,548 : x
  2. Step 2: Convert to fraction form
    28,732.64/39,638.48 = 17,548/x
  3. Step 3: Cross multiply
    28,732.64x = 39,638.48 × 17,548
  4. Step 4: Simplify right side
    28,732.64x = 695,576,047.04
  5. Step 5: Solve for x
    x = 695,576,047.04/28,732.64
  6. Step 6: Final answer
    x = 24,208.57

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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.