Home / 25,636.14-35,374.86-14,878.53

Finding the Fourth Proportional to 25,636.14, 35,374.86 and 14,878.53

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Solution

The fourth proportional to 25,636.14, 35,374.86 and 14,878.53 is: 20,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,636.14 : 35,374.86 = 14,878.53 : x
  2. Step 2: Convert to fraction form
    25,636.14/35,374.86 = 14,878.53/x
  3. Step 3: Cross multiply
    25,636.14x = 35,374.86 × 14,878.53
  4. Step 4: Simplify right side
    25,636.14x = 526,325,915.76
  5. Step 5: Solve for x
    x = 526,325,915.76/25,636.14
  6. Step 6: Final answer
    x = 20,530.62

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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.