Home / 38,143.28-57,095.04-26,420.96

Finding the Fourth Proportional to 38,143.28, 57,095.04 and 26,420.96

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Solution

The fourth proportional to 38,143.28, 57,095.04 and 26,420.96 is: 39,548.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.28 : 57,095.04 = 26,420.96 : x
  2. Step 2: Convert to fraction form
    38,143.28/57,095.04 = 26,420.96/x
  3. Step 3: Cross multiply
    38,143.28x = 57,095.04 × 26,420.96
  4. Step 4: Simplify right side
    38,143.28x = 1,508,505,768.04
  5. Step 5: Solve for x
    x = 1,508,505,768.04/38,143.28
  6. Step 6: Final answer
    x = 39,548.40

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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.