Home / 38,285.82-52,832.25-21,289.05

Finding the Fourth Proportional to 38,285.82, 52,832.25 and 21,289.05

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Solution

The fourth proportional to 38,285.82, 52,832.25 and 21,289.05 is: 29,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.82 : 52,832.25 = 21,289.05 : x
  2. Step 2: Convert to fraction form
    38,285.82/52,832.25 = 21,289.05/x
  3. Step 3: Cross multiply
    38,285.82x = 52,832.25 × 21,289.05
  4. Step 4: Simplify right side
    38,285.82x = 1,124,748,411.86
  5. Step 5: Solve for x
    x = 1,124,748,411.86/38,285.82
  6. Step 6: Final answer
    x = 29,377.68

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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.