Home / 26,478.81-39,723.08-10,887.93

Finding the Fourth Proportional to 26,478.81, 39,723.08 and 10,887.93

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Solution

The fourth proportional to 26,478.81, 39,723.08 and 10,887.93 is: 16,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.81 : 39,723.08 = 10,887.93 : x
  2. Step 2: Convert to fraction form
    26,478.81/39,723.08 = 10,887.93/x
  3. Step 3: Cross multiply
    26,478.81x = 39,723.08 × 10,887.93
  4. Step 4: Simplify right side
    26,478.81x = 432,502,059.98
  5. Step 5: Solve for x
    x = 432,502,059.98/26,478.81
  6. Step 6: Final answer
    x = 16,333.89

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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.