Home / 26,551.68-36,628.56-15,939.36

Finding the Fourth Proportional to 26,551.68, 36,628.56 and 15,939.36

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Solution

The fourth proportional to 26,551.68, 36,628.56 and 15,939.36 is: 21,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,551.68 : 36,628.56 = 15,939.36 : x
  2. Step 2: Convert to fraction form
    26,551.68/36,628.56 = 15,939.36/x
  3. Step 3: Cross multiply
    26,551.68x = 36,628.56 × 15,939.36
  4. Step 4: Simplify right side
    26,551.68x = 583,835,804.12
  5. Step 5: Solve for x
    x = 583,835,804.12/26,551.68
  6. Step 6: Final answer
    x = 21,988.66

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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.