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Finding the Fourth Proportional to 27,902.93, 41,818.81 and 13,079.19

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Solution

The fourth proportional to 27,902.93, 41,818.81 and 13,079.19 is: 19,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,902.93 : 41,818.81 = 13,079.19 : x
  2. Step 2: Convert to fraction form
    27,902.93/41,818.81 = 13,079.19/x
  3. Step 3: Cross multiply
    27,902.93x = 41,818.81 × 13,079.19
  4. Step 4: Simplify right side
    27,902.93x = 546,956,161.56
  5. Step 5: Solve for x
    x = 546,956,161.56/27,902.93
  6. Step 6: Final answer
    x = 19,602.10

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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.