Home / 25,379.43-38,068.20-6,659.30

Finding the Fourth Proportional to 25,379.43, 38,068.20 and 6,659.30

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Solution

The fourth proportional to 25,379.43, 38,068.20 and 6,659.30 is: 9,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.43 : 38,068.20 = 6,659.30 : x
  2. Step 2: Convert to fraction form
    25,379.43/38,068.20 = 6,659.30/x
  3. Step 3: Cross multiply
    25,379.43x = 38,068.20 × 6,659.30
  4. Step 4: Simplify right side
    25,379.43x = 253,507,373.92
  5. Step 5: Solve for x
    x = 253,507,373.92/25,379.43
  6. Step 6: Final answer
    x = 9,988.69

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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.