Home / 25,299.84-34,913.28-14,121.60

Finding the Fourth Proportional to 25,299.84, 34,913.28 and 14,121.60

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Solution

The fourth proportional to 25,299.84, 34,913.28 and 14,121.60 is: 19,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.84 : 34,913.28 = 14,121.60 : x
  2. Step 2: Convert to fraction form
    25,299.84/34,913.28 = 14,121.60/x
  3. Step 3: Cross multiply
    25,299.84x = 34,913.28 × 14,121.60
  4. Step 4: Simplify right side
    25,299.84x = 493,031,374.85
  5. Step 5: Solve for x
    x = 493,031,374.85/25,299.84
  6. Step 6: Final answer
    x = 19,487.53

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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.