Home / 21,426.60-29,537.60-15,033.26

Finding the Fourth Proportional to 21,426.60, 29,537.60 and 15,033.26

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Solution

The fourth proportional to 21,426.60, 29,537.60 and 15,033.26 is: 20,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426.60 : 29,537.60 = 15,033.26 : x
  2. Step 2: Convert to fraction form
    21,426.60/29,537.60 = 15,033.26/x
  3. Step 3: Cross multiply
    21,426.60x = 29,537.60 × 15,033.26
  4. Step 4: Simplify right side
    21,426.60x = 444,046,420.58
  5. Step 5: Solve for x
    x = 444,046,420.58/21,426.60
  6. Step 6: Final answer
    x = 20,724.07

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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.