Home / 26,519.36-39,774.72-8,988.80

Finding the Fourth Proportional to 26,519.36, 39,774.72 and 8,988.80

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Solution

The fourth proportional to 26,519.36, 39,774.72 and 8,988.80 is: 13,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,519.36 : 39,774.72 = 8,988.80 : x
  2. Step 2: Convert to fraction form
    26,519.36/39,774.72 = 8,988.80/x
  3. Step 3: Cross multiply
    26,519.36x = 39,774.72 × 8,988.80
  4. Step 4: Simplify right side
    26,519.36x = 357,527,003.14
  5. Step 5: Solve for x
    x = 357,527,003.14/26,519.36
  6. Step 6: Final answer
    x = 13,481.74

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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.