Home / 26,788.50-36,964.53-15,458.31

Finding the Fourth Proportional to 26,788.50, 36,964.53 and 15,458.31

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Solution

The fourth proportional to 26,788.50, 36,964.53 and 15,458.31 is: 21,330.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,788.50 : 36,964.53 = 15,458.31 : x
  2. Step 2: Convert to fraction form
    26,788.50/36,964.53 = 15,458.31/x
  3. Step 3: Cross multiply
    26,788.50x = 36,964.53 × 15,458.31
  4. Step 4: Simplify right side
    26,788.50x = 571,409,163.74
  5. Step 5: Solve for x
    x = 571,409,163.74/26,788.50
  6. Step 6: Final answer
    x = 21,330.39

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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.