Home / 26,663.06-39,996.33-7,688.20

Finding the Fourth Proportional to 26,663.06, 39,996.33 and 7,688.20

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Solution

The fourth proportional to 26,663.06, 39,996.33 and 7,688.20 is: 11,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,663.06 : 39,996.33 = 7,688.20 : x
  2. Step 2: Convert to fraction form
    26,663.06/39,996.33 = 7,688.20/x
  3. Step 3: Cross multiply
    26,663.06x = 39,996.33 × 7,688.20
  4. Step 4: Simplify right side
    26,663.06x = 307,499,784.31
  5. Step 5: Solve for x
    x = 307,499,784.31/26,663.06
  6. Step 6: Final answer
    x = 11,532.80

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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.