Home / 28,264.96-38,746.26-28,003.60

Finding the Fourth Proportional to 28,264.96, 38,746.26 and 28,003.60

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Solution

The fourth proportional to 28,264.96, 38,746.26 and 28,003.60 is: 38,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,264.96 : 38,746.26 = 28,003.60 : x
  2. Step 2: Convert to fraction form
    28,264.96/38,746.26 = 28,003.60/x
  3. Step 3: Cross multiply
    28,264.96x = 38,746.26 × 28,003.60
  4. Step 4: Simplify right side
    28,264.96x = 1,085,034,766.54
  5. Step 5: Solve for x
    x = 1,085,034,766.54/28,264.96
  6. Step 6: Final answer
    x = 38,387.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.