Home / 26,459.09-39,667.82-18,113.81

Finding the Fourth Proportional to 26,459.09, 39,667.82 and 18,113.81

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Solution

The fourth proportional to 26,459.09, 39,667.82 and 18,113.81 is: 27,156.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.09 : 39,667.82 = 18,113.81 : x
  2. Step 2: Convert to fraction form
    26,459.09/39,667.82 = 18,113.81/x
  3. Step 3: Cross multiply
    26,459.09x = 39,667.82 × 18,113.81
  4. Step 4: Simplify right side
    26,459.09x = 718,535,300.71
  5. Step 5: Solve for x
    x = 718,535,300.71/26,459.09
  6. Step 6: Final answer
    x = 27,156.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.