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Finding the Fourth Proportional to 25,346.79, 34,976.07 and 14,737.14

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Solution

The fourth proportional to 25,346.79, 34,976.07 and 14,737.14 is: 20,335.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,346.79 : 34,976.07 = 14,737.14 : x
  2. Step 2: Convert to fraction form
    25,346.79/34,976.07 = 14,737.14/x
  3. Step 3: Cross multiply
    25,346.79x = 34,976.07 × 14,737.14
  4. Step 4: Simplify right side
    25,346.79x = 515,447,240.24
  5. Step 5: Solve for x
    x = 515,447,240.24/25,346.79
  6. Step 6: Final answer
    x = 20,335.80

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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.