Home / 28,629.76-39,773.60-28,373.44

Finding the Fourth Proportional to 28,629.76, 39,773.60 and 28,373.44

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Solution

The fourth proportional to 28,629.76, 39,773.60 and 28,373.44 is: 39,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.76 : 39,773.60 = 28,373.44 : x
  2. Step 2: Convert to fraction form
    28,629.76/39,773.60 = 28,373.44/x
  3. Step 3: Cross multiply
    28,629.76x = 39,773.60 × 28,373.44
  4. Step 4: Simplify right side
    28,629.76x = 1,128,513,853.18
  5. Step 5: Solve for x
    x = 1,128,513,853.18/28,629.76
  6. Step 6: Final answer
    x = 39,417.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.