Home / 26,456.94-39,678.48-10,445.40

Finding the Fourth Proportional to 26,456.94, 39,678.48 and 10,445.40

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Solution

The fourth proportional to 26,456.94, 39,678.48 and 10,445.40 is: 15,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.94 : 39,678.48 = 10,445.40 : x
  2. Step 2: Convert to fraction form
    26,456.94/39,678.48 = 10,445.40/x
  3. Step 3: Cross multiply
    26,456.94x = 39,678.48 × 10,445.40
  4. Step 4: Simplify right side
    26,456.94x = 414,457,594.99
  5. Step 5: Solve for x
    x = 414,457,594.99/26,456.94
  6. Step 6: Final answer
    x = 15,665.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.