Home / 25,817.45-38,676.07-15,117.95

Finding the Fourth Proportional to 25,817.45, 38,676.07 and 15,117.95

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Solution

The fourth proportional to 25,817.45, 38,676.07 and 15,117.95 is: 22,647.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,817.45 : 38,676.07 = 15,117.95 : x
  2. Step 2: Convert to fraction form
    25,817.45/38,676.07 = 15,117.95/x
  3. Step 3: Cross multiply
    25,817.45x = 38,676.07 × 15,117.95
  4. Step 4: Simplify right side
    25,817.45x = 584,702,892.46
  5. Step 5: Solve for x
    x = 584,702,892.46/25,817.45
  6. Step 6: Final answer
    x = 22,647.58

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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.