Home / 26,459.81-39,679.71-10,659.48

Finding the Fourth Proportional to 26,459.81, 39,679.71 and 10,659.48

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Solution

The fourth proportional to 26,459.81, 39,679.71 and 10,659.48 is: 15,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.81 : 39,679.71 = 10,659.48 : x
  2. Step 2: Convert to fraction form
    26,459.81/39,679.71 = 10,659.48/x
  3. Step 3: Cross multiply
    26,459.81x = 39,679.71 × 10,659.48
  4. Step 4: Simplify right side
    26,459.81x = 422,964,886.38
  5. Step 5: Solve for x
    x = 422,964,886.38/26,459.81
  6. Step 6: Final answer
    x = 15,985.18

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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.