Home / 26,489.28-36,567.36-15,733.44

Finding the Fourth Proportional to 26,489.28, 36,567.36 and 15,733.44

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Solution

The fourth proportional to 26,489.28, 36,567.36 and 15,733.44 is: 21,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,489.28 : 36,567.36 = 15,733.44 : x
  2. Step 2: Convert to fraction form
    26,489.28/36,567.36 = 15,733.44/x
  3. Step 3: Cross multiply
    26,489.28x = 36,567.36 × 15,733.44
  4. Step 4: Simplify right side
    26,489.28x = 575,330,364.52
  5. Step 5: Solve for x
    x = 575,330,364.52/26,489.28
  6. Step 6: Final answer
    x = 21,719.37

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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.