Home / 27,665.76-38,166.40-17,051.52

Finding the Fourth Proportional to 27,665.76, 38,166.40 and 17,051.52

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Solution

The fourth proportional to 27,665.76, 38,166.40 and 17,051.52 is: 23,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,665.76 : 38,166.40 = 17,051.52 : x
  2. Step 2: Convert to fraction form
    27,665.76/38,166.40 = 17,051.52/x
  3. Step 3: Cross multiply
    27,665.76x = 38,166.40 × 17,051.52
  4. Step 4: Simplify right side
    27,665.76x = 650,795,132.93
  5. Step 5: Solve for x
    x = 650,795,132.93/27,665.76
  6. Step 6: Final answer
    x = 23,523.49

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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.