Home / 26,387.04-39,582.64-7,667.40

Finding the Fourth Proportional to 26,387.04, 39,582.64 and 7,667.40

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Solution

The fourth proportional to 26,387.04, 39,582.64 and 7,667.40 is: 11,501.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.04 : 39,582.64 = 7,667.40 : x
  2. Step 2: Convert to fraction form
    26,387.04/39,582.64 = 7,667.40/x
  3. Step 3: Cross multiply
    26,387.04x = 39,582.64 × 7,667.40
  4. Step 4: Simplify right side
    26,387.04x = 303,496,091.96
  5. Step 5: Solve for x
    x = 303,496,091.96/26,387.04
  6. Step 6: Final answer
    x = 11,501.71

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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.