Home / 25,886.34-38,825.73-7,167.66

Finding the Fourth Proportional to 25,886.34, 38,825.73 and 7,167.66

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Solution

The fourth proportional to 25,886.34, 38,825.73 and 7,167.66 is: 10,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,886.34 : 38,825.73 = 7,167.66 : x
  2. Step 2: Convert to fraction form
    25,886.34/38,825.73 = 7,167.66/x
  3. Step 3: Cross multiply
    25,886.34x = 38,825.73 × 7,167.66
  4. Step 4: Simplify right side
    25,886.34x = 278,289,631.89
  5. Step 5: Solve for x
    x = 278,289,631.89/25,886.34
  6. Step 6: Final answer
    x = 10,750.44

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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.