Home / 26,829.45-37,026.38-15,499.43

Finding the Fourth Proportional to 26,829.45, 37,026.38 and 15,499.43

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Solution

The fourth proportional to 26,829.45, 37,026.38 and 15,499.43 is: 21,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,829.45 : 37,026.38 = 15,499.43 : x
  2. Step 2: Convert to fraction form
    26,829.45/37,026.38 = 15,499.43/x
  3. Step 3: Cross multiply
    26,829.45x = 37,026.38 × 15,499.43
  4. Step 4: Simplify right side
    26,829.45x = 573,887,784.96
  5. Step 5: Solve for x
    x = 573,887,784.96/26,829.45
  6. Step 6: Final answer
    x = 21,390.22

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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.