Home / 38,279.25-52,827.12-21,285.23

Finding the Fourth Proportional to 38,279.25, 52,827.12 and 21,285.23

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Solution

The fourth proportional to 38,279.25, 52,827.12 and 21,285.23 is: 29,374.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.25 : 52,827.12 = 21,285.23 : x
  2. Step 2: Convert to fraction form
    38,279.25/52,827.12 = 21,285.23/x
  3. Step 3: Cross multiply
    38,279.25x = 52,827.12 × 21,285.23
  4. Step 4: Simplify right side
    38,279.25x = 1,124,437,399.44
  5. Step 5: Solve for x
    x = 1,124,437,399.44/38,279.25
  6. Step 6: Final answer
    x = 29,374.59

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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.