Home / 25,378.92-38,090.66-12,068.19

Finding the Fourth Proportional to 25,378.92, 38,090.66 and 12,068.19

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Solution

The fourth proportional to 25,378.92, 38,090.66 and 12,068.19 is: 18,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.92 : 38,090.66 = 12,068.19 : x
  2. Step 2: Convert to fraction form
    25,378.92/38,090.66 = 12,068.19/x
  3. Step 3: Cross multiply
    25,378.92x = 38,090.66 × 12,068.19
  4. Step 4: Simplify right side
    25,378.92x = 459,685,261.76
  5. Step 5: Solve for x
    x = 459,685,261.76/25,378.92
  6. Step 6: Final answer
    x = 18,112.88

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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.