Home / 38,108.26-52,593.28-21,976.16

Finding the Fourth Proportional to 38,108.26, 52,593.28 and 21,976.16

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Solution

The fourth proportional to 38,108.26, 52,593.28 and 21,976.16 is: 30,329.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108.26 : 52,593.28 = 21,976.16 : x
  2. Step 2: Convert to fraction form
    38,108.26/52,593.28 = 21,976.16/x
  3. Step 3: Cross multiply
    38,108.26x = 52,593.28 × 21,976.16
  4. Step 4: Simplify right side
    38,108.26x = 1,155,798,336.20
  5. Step 5: Solve for x
    x = 1,155,798,336.20/38,108.26
  6. Step 6: Final answer
    x = 30,329.34

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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.