Home / 26,857.45-37,068.78-15,525.31

Finding the Fourth Proportional to 26,857.45, 37,068.78 and 15,525.31

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Solution

The fourth proportional to 26,857.45, 37,068.78 and 15,525.31 is: 21,428.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,857.45 : 37,068.78 = 15,525.31 : x
  2. Step 2: Convert to fraction form
    26,857.45/37,068.78 = 15,525.31/x
  3. Step 3: Cross multiply
    26,857.45x = 37,068.78 × 15,525.31
  4. Step 4: Simplify right side
    26,857.45x = 575,504,300.82
  5. Step 5: Solve for x
    x = 575,504,300.82/26,857.45
  6. Step 6: Final answer
    x = 21,428.11

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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.