Home / 25,295.18-34,911.92-15,086.87

Finding the Fourth Proportional to 25,295.18, 34,911.92 and 15,086.87

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Solution

The fourth proportional to 25,295.18, 34,911.92 and 15,086.87 is: 20,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,295.18 : 34,911.92 = 15,086.87 : x
  2. Step 2: Convert to fraction form
    25,295.18/34,911.92 = 15,086.87/x
  3. Step 3: Cross multiply
    25,295.18x = 34,911.92 × 15,086.87
  4. Step 4: Simplify right side
    25,295.18x = 526,711,528.32
  5. Step 5: Solve for x
    x = 526,711,528.32/25,295.18
  6. Step 6: Final answer
    x = 20,822.60

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1.5x scale

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.