Home / 26,119.56-39,179.36-9,479.57

Finding the Fourth Proportional to 26,119.56, 39,179.36 and 9,479.57

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Solution

The fourth proportional to 26,119.56, 39,179.36 and 9,479.57 is: 14,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,119.56 : 39,179.36 = 9,479.57 : x
  2. Step 2: Convert to fraction form
    26,119.56/39,179.36 = 9,479.57/x
  3. Step 3: Cross multiply
    26,119.56x = 39,179.36 × 9,479.57
  4. Step 4: Simplify right side
    26,119.56x = 371,403,313.48
  5. Step 5: Solve for x
    x = 371,403,313.48/26,119.56
  6. Step 6: Final answer
    x = 14,219.35

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Similar ratio
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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.