Home / 38,718.32-57,837.16-28,104.08

Finding the Fourth Proportional to 38,718.32, 57,837.16 and 28,104.08

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Solution

The fourth proportional to 38,718.32, 57,837.16 and 28,104.08 is: 41,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,718.32 : 57,837.16 = 28,104.08 : x
  2. Step 2: Convert to fraction form
    38,718.32/57,837.16 = 28,104.08/x
  3. Step 3: Cross multiply
    38,718.32x = 57,837.16 × 28,104.08
  4. Step 4: Simplify right side
    38,718.32x = 1,625,460,171.61
  5. Step 5: Solve for x
    x = 1,625,460,171.61/38,718.32
  6. Step 6: Final answer
    x = 41,981.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.