Home / 26,459.85-39,679.39-10,661.93

Finding the Fourth Proportional to 26,459.85, 39,679.39 and 10,661.93

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Solution

The fourth proportional to 26,459.85, 39,679.39 and 10,661.93 is: 15,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,459.85 : 39,679.39 = 10,661.93 : x
  2. Step 2: Convert to fraction form
    26,459.85/39,679.39 = 10,661.93/x
  3. Step 3: Cross multiply
    26,459.85x = 39,679.39 × 10,661.93
  4. Step 4: Simplify right side
    26,459.85x = 423,058,680.23
  5. Step 5: Solve for x
    x = 423,058,680.23/26,459.85
  6. Step 6: Final answer
    x = 15,988.71

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1.5x scale

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.