Home / 26,309.25-36,305.70-15,561.09

Finding the Fourth Proportional to 26,309.25, 36,305.70 and 15,561.09

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Solution

The fourth proportional to 26,309.25, 36,305.70 and 15,561.09 is: 21,473.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.25 : 36,305.70 = 15,561.09 : x
  2. Step 2: Convert to fraction form
    26,309.25/36,305.70 = 15,561.09/x
  3. Step 3: Cross multiply
    26,309.25x = 36,305.70 × 15,561.09
  4. Step 4: Simplify right side
    26,309.25x = 564,956,265.21
  5. Step 5: Solve for x
    x = 564,956,265.21/26,309.25
  6. Step 6: Final answer
    x = 21,473.67

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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.