Home / 38,276.36-52,822.73-21,285.42

Finding the Fourth Proportional to 38,276.36, 52,822.73 and 21,285.42

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Solution

The fourth proportional to 38,276.36, 52,822.73 and 21,285.42 is: 29,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,276.36 : 52,822.73 = 21,285.42 : x
  2. Step 2: Convert to fraction form
    38,276.36/52,822.73 = 21,285.42/x
  3. Step 3: Cross multiply
    38,276.36x = 52,822.73 × 21,285.42
  4. Step 4: Simplify right side
    38,276.36x = 1,124,354,026.12
  5. Step 5: Solve for x
    x = 1,124,354,026.12/38,276.36
  6. Step 6: Final answer
    x = 29,374.63

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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.