Home / 25,211.12-34,797.76-15,140

Finding the Fourth Proportional to 25,211.12, 34,797.76 and 15,140

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Solution

The fourth proportional to 25,211.12, 34,797.76 and 15,140 is: 20,897.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,211.12 : 34,797.76 = 15,140 : x
  2. Step 2: Convert to fraction form
    25,211.12/34,797.76 = 15,140/x
  3. Step 3: Cross multiply
    25,211.12x = 34,797.76 × 15,140
  4. Step 4: Simplify right side
    25,211.12x = 526,838,086.40
  5. Step 5: Solve for x
    x = 526,838,086.40/25,211.12
  6. Step 6: Final answer
    x = 20,897.05

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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.