Home / 55,328.20-82,992.30-15,886.60

Finding the Fourth Proportional to 55,328.20, 82,992.30 and 15,886.60

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Solution

The fourth proportional to 55,328.20, 82,992.30 and 15,886.60 is: 23,829.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328.20 : 82,992.30 = 15,886.60 : x
  2. Step 2: Convert to fraction form
    55,328.20/82,992.30 = 15,886.60/x
  3. Step 3: Cross multiply
    55,328.20x = 82,992.30 × 15,886.60
  4. Step 4: Simplify right side
    55,328.20x = 1,318,465,473.18
  5. Step 5: Solve for x
    x = 1,318,465,473.18/55,328.20
  6. Step 6: Final answer
    x = 23,829.90

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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.