Home / 25,699.19-38,540.52-8,164.91

Finding the Fourth Proportional to 25,699.19, 38,540.52 and 8,164.91

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Solution

The fourth proportional to 25,699.19, 38,540.52 and 8,164.91 is: 12,244.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,699.19 : 38,540.52 = 8,164.91 : x
  2. Step 2: Convert to fraction form
    25,699.19/38,540.52 = 8,164.91/x
  3. Step 3: Cross multiply
    25,699.19x = 38,540.52 × 8,164.91
  4. Step 4: Simplify right side
    25,699.19x = 314,680,039.18
  5. Step 5: Solve for x
    x = 314,680,039.18/25,699.19
  6. Step 6: Final answer
    x = 12,244.75

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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.