Home / 26,580.25-39,870.38-10,998.28

Finding the Fourth Proportional to 26,580.25, 39,870.38 and 10,998.28

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Solution

The fourth proportional to 26,580.25, 39,870.38 and 10,998.28 is: 16,497.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580.25 : 39,870.38 = 10,998.28 : x
  2. Step 2: Convert to fraction form
    26,580.25/39,870.38 = 10,998.28/x
  3. Step 3: Cross multiply
    26,580.25x = 39,870.38 × 10,998.28
  4. Step 4: Simplify right side
    26,580.25x = 438,505,547.96
  5. Step 5: Solve for x
    x = 438,505,547.96/26,580.25
  6. Step 6: Final answer
    x = 16,497.42

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Half scale
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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.