Home / 28,354.38-39,111.84-17,735.28

Finding the Fourth Proportional to 28,354.38, 39,111.84 and 17,735.28

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Solution

The fourth proportional to 28,354.38, 39,111.84 and 17,735.28 is: 24,463.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,354.38 : 39,111.84 = 17,735.28 : x
  2. Step 2: Convert to fraction form
    28,354.38/39,111.84 = 17,735.28/x
  3. Step 3: Cross multiply
    28,354.38x = 39,111.84 × 17,735.28
  4. Step 4: Simplify right side
    28,354.38x = 693,659,433.72
  5. Step 5: Solve for x
    x = 693,659,433.72/28,354.38
  6. Step 6: Final answer
    x = 24,463.93

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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.