Home / 27,142.17-40,699.37-11,342.89

Finding the Fourth Proportional to 27,142.17, 40,699.37 and 11,342.89

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Solution

The fourth proportional to 27,142.17, 40,699.37 and 11,342.89 is: 17,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,142.17 : 40,699.37 = 11,342.89 : x
  2. Step 2: Convert to fraction form
    27,142.17/40,699.37 = 11,342.89/x
  3. Step 3: Cross multiply
    27,142.17x = 40,699.37 × 11,342.89
  4. Step 4: Simplify right side
    27,142.17x = 461,648,318.52
  5. Step 5: Solve for x
    x = 461,648,318.52/27,142.17
  6. Step 6: Final answer
    x = 17,008.53

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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.