Home / 26,053.28-39,091.59-12,005.78

Finding the Fourth Proportional to 26,053.28, 39,091.59 and 12,005.78

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Solution

The fourth proportional to 26,053.28, 39,091.59 and 12,005.78 is: 18,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,053.28 : 39,091.59 = 12,005.78 : x
  2. Step 2: Convert to fraction form
    26,053.28/39,091.59 = 12,005.78/x
  3. Step 3: Cross multiply
    26,053.28x = 39,091.59 × 12,005.78
  4. Step 4: Simplify right side
    26,053.28x = 469,325,127.12
  5. Step 5: Solve for x
    x = 469,325,127.12/26,053.28
  6. Step 6: Final answer
    x = 18,014.05

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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.