Home / 43,827.60-65,746.80-15,743.28

Finding the Fourth Proportional to 43,827.60, 65,746.80 and 15,743.28

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Solution

The fourth proportional to 43,827.60, 65,746.80 and 15,743.28 is: 23,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,827.60 : 65,746.80 = 15,743.28 : x
  2. Step 2: Convert to fraction form
    43,827.60/65,746.80 = 15,743.28/x
  3. Step 3: Cross multiply
    43,827.60x = 65,746.80 × 15,743.28
  4. Step 4: Simplify right side
    43,827.60x = 1,035,070,281.50
  5. Step 5: Solve for x
    x = 1,035,070,281.50/43,827.60
  6. Step 6: Final answer
    x = 23,616.86

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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.