Home / 25,311-34,928.82-14,706.60

Finding the Fourth Proportional to 25,311, 34,928.82 and 14,706.60

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Solution

The fourth proportional to 25,311, 34,928.82 and 14,706.60 is: 20,294.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,311 : 34,928.82 = 14,706.60 : x
  2. Step 2: Convert to fraction form
    25,311/34,928.82 = 14,706.60/x
  3. Step 3: Cross multiply
    25,311x = 34,928.82 × 14,706.60
  4. Step 4: Simplify right side
    25,311x = 513,684,184.21
  5. Step 5: Solve for x
    x = 513,684,184.21/25,311
  6. Step 6: Final answer
    x = 20,294.90

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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.