Home / 38,921.33-53,724.12-28,846.55

Finding the Fourth Proportional to 38,921.33, 53,724.12 and 28,846.55

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Solution

The fourth proportional to 38,921.33, 53,724.12 and 28,846.55 is: 39,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,921.33 : 53,724.12 = 28,846.55 : x
  2. Step 2: Convert to fraction form
    38,921.33/53,724.12 = 28,846.55/x
  3. Step 3: Cross multiply
    38,921.33x = 53,724.12 × 28,846.55
  4. Step 4: Simplify right side
    38,921.33x = 1,549,755,513.79
  5. Step 5: Solve for x
    x = 1,549,755,513.79/38,921.33
  6. Step 6: Final answer
    x = 39,817.64

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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.