Home / 26,433.14-36,478.86-15,820.72

Finding the Fourth Proportional to 26,433.14, 36,478.86 and 15,820.72

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Solution

The fourth proportional to 26,433.14, 36,478.86 and 15,820.72 is: 21,833.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,433.14 : 36,478.86 = 15,820.72 : x
  2. Step 2: Convert to fraction form
    26,433.14/36,478.86 = 15,820.72/x
  3. Step 3: Cross multiply
    26,433.14x = 36,478.86 × 15,820.72
  4. Step 4: Simplify right side
    26,433.14x = 577,121,679.45
  5. Step 5: Solve for x
    x = 577,121,679.45/26,433.14
  6. Step 6: Final answer
    x = 21,833.27

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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.