Home / 25,759.84-38,641.52-8,230.96

Finding the Fourth Proportional to 25,759.84, 38,641.52 and 8,230.96

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Solution

The fourth proportional to 25,759.84, 38,641.52 and 8,230.96 is: 12,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.84 : 38,641.52 = 8,230.96 : x
  2. Step 2: Convert to fraction form
    25,759.84/38,641.52 = 8,230.96/x
  3. Step 3: Cross multiply
    25,759.84x = 38,641.52 × 8,230.96
  4. Step 4: Simplify right side
    25,759.84x = 318,056,805.46
  5. Step 5: Solve for x
    x = 318,056,805.46/25,759.84
  6. Step 6: Final answer
    x = 12,347.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.