Home / 26,400.96-39,607.56-7,681.44

Finding the Fourth Proportional to 26,400.96, 39,607.56 and 7,681.44

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Solution

The fourth proportional to 26,400.96, 39,607.56 and 7,681.44 is: 11,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,400.96 : 39,607.56 = 7,681.44 : x
  2. Step 2: Convert to fraction form
    26,400.96/39,607.56 = 7,681.44/x
  3. Step 3: Cross multiply
    26,400.96x = 39,607.56 × 7,681.44
  4. Step 4: Simplify right side
    26,400.96x = 304,243,095.69
  5. Step 5: Solve for x
    x = 304,243,095.69/26,400.96
  6. Step 6: Final answer
    x = 11,523.94

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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.