Home / 26,146.28-39,187.28-12,087.29

Finding the Fourth Proportional to 26,146.28, 39,187.28 and 12,087.29

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Solution

The fourth proportional to 26,146.28, 39,187.28 and 12,087.29 is: 18,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,146.28 : 39,187.28 = 12,087.29 : x
  2. Step 2: Convert to fraction form
    26,146.28/39,187.28 = 12,087.29/x
  3. Step 3: Cross multiply
    26,146.28x = 39,187.28 × 12,087.29
  4. Step 4: Simplify right side
    26,146.28x = 473,668,145.86
  5. Step 5: Solve for x
    x = 473,668,145.86/26,146.28
  6. Step 6: Final answer
    x = 18,116.08

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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.