Home / 26,860.56-37,065.78-15,529.20

Finding the Fourth Proportional to 26,860.56, 37,065.78 and 15,529.20

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Solution

The fourth proportional to 26,860.56, 37,065.78 and 15,529.20 is: 21,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.56 : 37,065.78 = 15,529.20 : x
  2. Step 2: Convert to fraction form
    26,860.56/37,065.78 = 15,529.20/x
  3. Step 3: Cross multiply
    26,860.56x = 37,065.78 × 15,529.20
  4. Step 4: Simplify right side
    26,860.56x = 575,601,910.78
  5. Step 5: Solve for x
    x = 575,601,910.78/26,860.56
  6. Step 6: Final answer
    x = 21,429.26

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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.