Home / 28,297.53-42,455.52-13,504.55

Finding the Fourth Proportional to 28,297.53, 42,455.52 and 13,504.55

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Solution

The fourth proportional to 28,297.53, 42,455.52 and 13,504.55 is: 20,261.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.53 : 42,455.52 = 13,504.55 : x
  2. Step 2: Convert to fraction form
    28,297.53/42,455.52 = 13,504.55/x
  3. Step 3: Cross multiply
    28,297.53x = 42,455.52 × 13,504.55
  4. Step 4: Simplify right side
    28,297.53x = 573,342,480.34
  5. Step 5: Solve for x
    x = 573,342,480.34/28,297.53
  6. Step 6: Final answer
    x = 20,261.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.