Home / 38,289.04-52,843.84-21,525.28

Finding the Fourth Proportional to 38,289.04, 52,843.84 and 21,525.28

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Solution

The fourth proportional to 38,289.04, 52,843.84 and 21,525.28 is: 29,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,289.04 : 52,843.84 = 21,525.28 : x
  2. Step 2: Convert to fraction form
    38,289.04/52,843.84 = 21,525.28/x
  3. Step 3: Cross multiply
    38,289.04x = 52,843.84 × 21,525.28
  4. Step 4: Simplify right side
    38,289.04x = 1,137,478,452.28
  5. Step 5: Solve for x
    x = 1,137,478,452.28/38,289.04
  6. Step 6: Final answer
    x = 29,707.68

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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.