Home / 38,285.98-52,834.40-21,289.96

Finding the Fourth Proportional to 38,285.98, 52,834.40 and 21,289.96

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Solution

The fourth proportional to 38,285.98, 52,834.40 and 21,289.96 is: 29,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.98 : 52,834.40 = 21,289.96 : x
  2. Step 2: Convert to fraction form
    38,285.98/52,834.40 = 21,289.96/x
  3. Step 3: Cross multiply
    38,285.98x = 52,834.40 × 21,289.96
  4. Step 4: Simplify right side
    38,285.98x = 1,124,842,262.62
  5. Step 5: Solve for x
    x = 1,124,842,262.62/38,285.98
  6. Step 6: Final answer
    x = 29,380.00

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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.