Home / 18,329.04-25,282.80-15,976.80

Finding the Fourth Proportional to 18,329.04, 25,282.80 and 15,976.80

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Solution

The fourth proportional to 18,329.04, 25,282.80 and 15,976.80 is: 22,038.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.04 : 25,282.80 = 15,976.80 : x
  2. Step 2: Convert to fraction form
    18,329.04/25,282.80 = 15,976.80/x
  3. Step 3: Cross multiply
    18,329.04x = 25,282.80 × 15,976.80
  4. Step 4: Simplify right side
    18,329.04x = 403,938,239.04
  5. Step 5: Solve for x
    x = 403,938,239.04/18,329.04
  6. Step 6: Final answer
    x = 22,038.16

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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.