Home / 19,274.68-28,832.82-15,386.68

Finding the Fourth Proportional to 19,274.68, 28,832.82 and 15,386.68

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Solution

The fourth proportional to 19,274.68, 28,832.82 and 15,386.68 is: 23,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.68 : 28,832.82 = 15,386.68 : x
  2. Step 2: Convert to fraction form
    19,274.68/28,832.82 = 15,386.68/x
  3. Step 3: Cross multiply
    19,274.68x = 28,832.82 × 15,386.68
  4. Step 4: Simplify right side
    19,274.68x = 443,641,374.84
  5. Step 5: Solve for x
    x = 443,641,374.84/19,274.68
  6. Step 6: Final answer
    x = 23,016.80

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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.