Home / 28,523.41-39,370.53-20,027.60

Finding the Fourth Proportional to 28,523.41, 39,370.53 and 20,027.60

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Solution

The fourth proportional to 28,523.41, 39,370.53 and 20,027.60 is: 27,643.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.41 : 39,370.53 = 20,027.60 : x
  2. Step 2: Convert to fraction form
    28,523.41/39,370.53 = 20,027.60/x
  3. Step 3: Cross multiply
    28,523.41x = 39,370.53 × 20,027.60
  4. Step 4: Simplify right side
    28,523.41x = 788,497,126.49
  5. Step 5: Solve for x
    x = 788,497,126.49/28,523.41
  6. Step 6: Final answer
    x = 27,643.86

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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.