Home / 19,357.52-26,766.96-15,371.60

Finding the Fourth Proportional to 19,357.52, 26,766.96 and 15,371.60

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Solution

The fourth proportional to 19,357.52, 26,766.96 and 15,371.60 is: 21,255.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.52 : 26,766.96 = 15,371.60 : x
  2. Step 2: Convert to fraction form
    19,357.52/26,766.96 = 15,371.60/x
  3. Step 3: Cross multiply
    19,357.52x = 26,766.96 × 15,371.60
  4. Step 4: Simplify right side
    19,357.52x = 411,451,002.34
  5. Step 5: Solve for x
    x = 411,451,002.34/19,357.52
  6. Step 6: Final answer
    x = 21,255.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.