Home / 25,966.09-38,952.87-8,190.70

Finding the Fourth Proportional to 25,966.09, 38,952.87 and 8,190.70

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Solution

The fourth proportional to 25,966.09, 38,952.87 and 8,190.70 is: 12,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,966.09 : 38,952.87 = 8,190.70 : x
  2. Step 2: Convert to fraction form
    25,966.09/38,952.87 = 8,190.70/x
  3. Step 3: Cross multiply
    25,966.09x = 38,952.87 × 8,190.70
  4. Step 4: Simplify right side
    25,966.09x = 319,051,272.31
  5. Step 5: Solve for x
    x = 319,051,272.31/25,966.09
  6. Step 6: Final answer
    x = 12,287.23

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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.