Home / 26,318.72-36,308.98-18,365.56

Finding the Fourth Proportional to 26,318.72, 36,308.98 and 18,365.56

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Solution

The fourth proportional to 26,318.72, 36,308.98 and 18,365.56 is: 25,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.72 : 36,308.98 = 18,365.56 : x
  2. Step 2: Convert to fraction form
    26,318.72/36,308.98 = 18,365.56/x
  3. Step 3: Cross multiply
    26,318.72x = 36,308.98 × 18,365.56
  4. Step 4: Simplify right side
    26,318.72x = 666,834,836.69
  5. Step 5: Solve for x
    x = 666,834,836.69/26,318.72
  6. Step 6: Final answer
    x = 25,336.90

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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.