Home / 38,281.07-52,827.83-21,284.78

Finding the Fourth Proportional to 38,281.07, 52,827.83 and 21,284.78

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Solution

The fourth proportional to 38,281.07, 52,827.83 and 21,284.78 is: 29,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,281.07 : 52,827.83 = 21,284.78 : x
  2. Step 2: Convert to fraction form
    38,281.07/52,827.83 = 21,284.78/x
  3. Step 3: Cross multiply
    38,281.07x = 52,827.83 × 21,284.78
  4. Step 4: Simplify right side
    38,281.07x = 1,124,428,739.43
  5. Step 5: Solve for x
    x = 1,124,428,739.43/38,281.07
  6. Step 6: Final answer
    x = 29,372.97

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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.