Home / 26,765.56-36,933.28-15,438.76

Finding the Fourth Proportional to 26,765.56, 36,933.28 and 15,438.76

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Solution

The fourth proportional to 26,765.56, 36,933.28 and 15,438.76 is: 21,303.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,765.56 : 36,933.28 = 15,438.76 : x
  2. Step 2: Convert to fraction form
    26,765.56/36,933.28 = 15,438.76/x
  3. Step 3: Cross multiply
    26,765.56x = 36,933.28 × 15,438.76
  4. Step 4: Simplify right side
    26,765.56x = 570,204,045.93
  5. Step 5: Solve for x
    x = 570,204,045.93/26,765.56
  6. Step 6: Final answer
    x = 21,303.65

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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.