Home / 43,675.60-65,513.40-27,929.20

Finding the Fourth Proportional to 43,675.60, 65,513.40 and 27,929.20

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Solution

The fourth proportional to 43,675.60, 65,513.40 and 27,929.20 is: 41,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.60 : 65,513.40 = 27,929.20 : x
  2. Step 2: Convert to fraction form
    43,675.60/65,513.40 = 27,929.20/x
  3. Step 3: Cross multiply
    43,675.60x = 65,513.40 × 27,929.20
  4. Step 4: Simplify right side
    43,675.60x = 1,829,736,851.28
  5. Step 5: Solve for x
    x = 1,829,736,851.28/43,675.60
  6. Step 6: Final answer
    x = 41,893.80

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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.