Home / 38,395.52-52,986.24-21,628.16

Finding the Fourth Proportional to 38,395.52, 52,986.24 and 21,628.16

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Solution

The fourth proportional to 38,395.52, 52,986.24 and 21,628.16 is: 29,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,395.52 : 52,986.24 = 21,628.16 : x
  2. Step 2: Convert to fraction form
    38,395.52/52,986.24 = 21,628.16/x
  3. Step 3: Cross multiply
    38,395.52x = 52,986.24 × 21,628.16
  4. Step 4: Simplify right side
    38,395.52x = 1,145,994,876.52
  5. Step 5: Solve for x
    x = 1,145,994,876.52/38,395.52
  6. Step 6: Final answer
    x = 29,847.10

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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.