Home / 26,228.60-39,246.90-19,316.60

Finding the Fourth Proportional to 26,228.60, 39,246.90 and 19,316.60

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Solution

The fourth proportional to 26,228.60, 39,246.90 and 19,316.60 is: 28,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,228.60 : 39,246.90 = 19,316.60 : x
  2. Step 2: Convert to fraction form
    26,228.60/39,246.90 = 19,316.60/x
  3. Step 3: Cross multiply
    26,228.60x = 39,246.90 × 19,316.60
  4. Step 4: Simplify right side
    26,228.60x = 758,116,668.54
  5. Step 5: Solve for x
    x = 758,116,668.54/26,228.60
  6. Step 6: Final answer
    x = 28,904.20

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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.