Home / 25,154.19-34,705.20-15,078.95

Finding the Fourth Proportional to 25,154.19, 34,705.20 and 15,078.95

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Solution

The fourth proportional to 25,154.19, 34,705.20 and 15,078.95 is: 20,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,154.19 : 34,705.20 = 15,078.95 : x
  2. Step 2: Convert to fraction form
    25,154.19/34,705.20 = 15,078.95/x
  3. Step 3: Cross multiply
    25,154.19x = 34,705.20 × 15,078.95
  4. Step 4: Simplify right side
    25,154.19x = 523,318,148.92
  5. Step 5: Solve for x
    x = 523,318,148.92/25,154.19
  6. Step 6: Final answer
    x = 20,804.41

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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.