Home / 20,673.73-28,527.90-13,968.35

Finding the Fourth Proportional to 20,673.73, 28,527.90 and 13,968.35

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Solution

The fourth proportional to 20,673.73, 28,527.90 and 13,968.35 is: 19,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.73 : 28,527.90 = 13,968.35 : x
  2. Step 2: Convert to fraction form
    20,673.73/28,527.90 = 13,968.35/x
  3. Step 3: Cross multiply
    20,673.73x = 28,527.90 × 13,968.35
  4. Step 4: Simplify right side
    20,673.73x = 398,487,603.92
  5. Step 5: Solve for x
    x = 398,487,603.92/20,673.73
  6. Step 6: Final answer
    x = 19,275.07

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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.