Home / 26,653.48-39,980.36-11,071.12

Finding the Fourth Proportional to 26,653.48, 39,980.36 and 11,071.12

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Solution

The fourth proportional to 26,653.48, 39,980.36 and 11,071.12 is: 16,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,653.48 : 39,980.36 = 11,071.12 : x
  2. Step 2: Convert to fraction form
    26,653.48/39,980.36 = 11,071.12/x
  3. Step 3: Cross multiply
    26,653.48x = 39,980.36 × 11,071.12
  4. Step 4: Simplify right side
    26,653.48x = 442,627,363.20
  5. Step 5: Solve for x
    x = 442,627,363.20/26,653.48
  6. Step 6: Final answer
    x = 16,606.74

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Double scale
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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.