Home / 21,513.44-32,275.92-19,457.12

Finding the Fourth Proportional to 21,513.44, 32,275.92 and 19,457.12

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Solution

The fourth proportional to 21,513.44, 32,275.92 and 19,457.12 is: 29,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,513.44 : 32,275.92 = 19,457.12 : x
  2. Step 2: Convert to fraction form
    21,513.44/32,275.92 = 19,457.12/x
  3. Step 3: Cross multiply
    21,513.44x = 32,275.92 × 19,457.12
  4. Step 4: Simplify right side
    21,513.44x = 627,996,448.55
  5. Step 5: Solve for x
    x = 627,996,448.55/21,513.44
  6. Step 6: Final answer
    x = 29,190.89

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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.