Home / 21,968.48-30,316.92-12,032.48

Finding the Fourth Proportional to 21,968.48, 30,316.92 and 12,032.48

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Solution

The fourth proportional to 21,968.48, 30,316.92 and 12,032.48 is: 16,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.48 : 30,316.92 = 12,032.48 : x
  2. Step 2: Convert to fraction form
    21,968.48/30,316.92 = 12,032.48/x
  3. Step 3: Cross multiply
    21,968.48x = 30,316.92 × 12,032.48
  4. Step 4: Simplify right side
    21,968.48x = 364,787,733.56
  5. Step 5: Solve for x
    x = 364,787,733.56/21,968.48
  6. Step 6: Final answer
    x = 16,605.05

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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.