Home / 27,218.58-37,557.09-17,129.40

Finding the Fourth Proportional to 27,218.58, 37,557.09 and 17,129.40

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Solution

The fourth proportional to 27,218.58, 37,557.09 and 17,129.40 is: 23,635.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.58 : 37,557.09 = 17,129.40 : x
  2. Step 2: Convert to fraction form
    27,218.58/37,557.09 = 17,129.40/x
  3. Step 3: Cross multiply
    27,218.58x = 37,557.09 × 17,129.40
  4. Step 4: Simplify right side
    27,218.58x = 643,330,417.45
  5. Step 5: Solve for x
    x = 643,330,417.45/27,218.58
  6. Step 6: Final answer
    x = 23,635.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.