Home / 38,259.52-52,783.32-28,211.80

Finding the Fourth Proportional to 38,259.52, 52,783.32 and 28,211.80

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Solution

The fourth proportional to 38,259.52, 52,783.32 and 28,211.80 is: 38,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,259.52 : 52,783.32 = 28,211.80 : x
  2. Step 2: Convert to fraction form
    38,259.52/52,783.32 = 28,211.80/x
  3. Step 3: Cross multiply
    38,259.52x = 52,783.32 × 28,211.80
  4. Step 4: Simplify right side
    38,259.52x = 1,489,112,467.18
  5. Step 5: Solve for x
    x = 1,489,112,467.18/38,259.52
  6. Step 6: Final answer
    x = 38,921.36

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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.