Home / 26,172-39,266.64-10,581.12

Finding the Fourth Proportional to 26,172, 39,266.64 and 10,581.12

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Solution

The fourth proportional to 26,172, 39,266.64 and 10,581.12 is: 15,875.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,172 : 39,266.64 = 10,581.12 : x
  2. Step 2: Convert to fraction form
    26,172/39,266.64 = 10,581.12/x
  3. Step 3: Cross multiply
    26,172x = 39,266.64 × 10,581.12
  4. Step 4: Simplify right side
    26,172x = 415,485,029.84
  5. Step 5: Solve for x
    x = 415,485,029.84/26,172
  6. Step 6: Final answer
    x = 15,875.17

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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.