Home / 25,638.14-35,377.62-14,880.53

Finding the Fourth Proportional to 25,638.14, 35,377.62 and 14,880.53

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Solution

The fourth proportional to 25,638.14, 35,377.62 and 14,880.53 is: 20,533.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,638.14 : 35,377.62 = 14,880.53 : x
  2. Step 2: Convert to fraction form
    25,638.14/35,377.62 = 14,880.53/x
  3. Step 3: Cross multiply
    25,638.14x = 35,377.62 × 14,880.53
  4. Step 4: Simplify right side
    25,638.14x = 526,437,735.74
  5. Step 5: Solve for x
    x = 526,437,735.74/25,638.14
  6. Step 6: Final answer
    x = 20,533.38

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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.