Home / 17,780.76-26,675.52-5,300.73

Finding the Fourth Proportional to 17,780.76, 26,675.52 and 5,300.73

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Solution

The fourth proportional to 17,780.76, 26,675.52 and 5,300.73 is: 7,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,780.76 : 26,675.52 = 5,300.73 : x
  2. Step 2: Convert to fraction form
    17,780.76/26,675.52 = 5,300.73/x
  3. Step 3: Cross multiply
    17,780.76x = 26,675.52 × 5,300.73
  4. Step 4: Simplify right side
    17,780.76x = 141,399,729.13
  5. Step 5: Solve for x
    x = 141,399,729.13/17,780.76
  6. Step 6: Final answer
    x = 7,952.40

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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.