Home / 38,028.47-52,477.61-21,895.09

Finding the Fourth Proportional to 38,028.47, 52,477.61 and 21,895.09

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Solution

The fourth proportional to 38,028.47, 52,477.61 and 21,895.09 is: 30,214.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,028.47 : 52,477.61 = 21,895.09 : x
  2. Step 2: Convert to fraction form
    38,028.47/52,477.61 = 21,895.09/x
  3. Step 3: Cross multiply
    38,028.47x = 52,477.61 × 21,895.09
  4. Step 4: Simplify right side
    38,028.47x = 1,149,001,753.27
  5. Step 5: Solve for x
    x = 1,149,001,753.27/38,028.47
  6. Step 6: Final answer
    x = 30,214.26

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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.