Home / 25,339.52-38,015.48-17,857.68

Finding the Fourth Proportional to 25,339.52, 38,015.48 and 17,857.68

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Solution

The fourth proportional to 25,339.52, 38,015.48 and 17,857.68 is: 26,790.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,339.52 : 38,015.48 = 17,857.68 : x
  2. Step 2: Convert to fraction form
    25,339.52/38,015.48 = 17,857.68/x
  3. Step 3: Cross multiply
    25,339.52x = 38,015.48 × 17,857.68
  4. Step 4: Simplify right side
    25,339.52x = 678,868,321.53
  5. Step 5: Solve for x
    x = 678,868,321.53/25,339.52
  6. Step 6: Final answer
    x = 26,790.89

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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.