Home / 28,337.31-42,469.07-17,659.28

Finding the Fourth Proportional to 28,337.31, 42,469.07 and 17,659.28

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Solution

The fourth proportional to 28,337.31, 42,469.07 and 17,659.28 is: 26,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.31 : 42,469.07 = 17,659.28 : x
  2. Step 2: Convert to fraction form
    28,337.31/42,469.07 = 17,659.28/x
  3. Step 3: Cross multiply
    28,337.31x = 42,469.07 × 17,659.28
  4. Step 4: Simplify right side
    28,337.31x = 749,973,216.35
  5. Step 5: Solve for x
    x = 749,973,216.35/28,337.31
  6. Step 6: Final answer
    x = 26,465.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.