Home / 25,276.21-34,881.53-13,946.20

Finding the Fourth Proportional to 25,276.21, 34,881.53 and 13,946.20

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Solution

The fourth proportional to 25,276.21, 34,881.53 and 13,946.20 is: 19,245.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,276.21 : 34,881.53 = 13,946.20 : x
  2. Step 2: Convert to fraction form
    25,276.21/34,881.53 = 13,946.20/x
  3. Step 3: Cross multiply
    25,276.21x = 34,881.53 × 13,946.20
  4. Step 4: Simplify right side
    25,276.21x = 486,464,793.69
  5. Step 5: Solve for x
    x = 486,464,793.69/25,276.21
  6. Step 6: Final answer
    x = 19,245.95

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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.