Home / 28,735.52-39,659.04-17,406.32

Finding the Fourth Proportional to 28,735.52, 39,659.04 and 17,406.32

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Solution

The fourth proportional to 28,735.52, 39,659.04 and 17,406.32 is: 24,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.52 : 39,659.04 = 17,406.32 : x
  2. Step 2: Convert to fraction form
    28,735.52/39,659.04 = 17,406.32/x
  3. Step 3: Cross multiply
    28,735.52x = 39,659.04 × 17,406.32
  4. Step 4: Simplify right side
    28,735.52x = 690,317,941.13
  5. Step 5: Solve for x
    x = 690,317,941.13/28,735.52
  6. Step 6: Final answer
    x = 24,023.16

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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.