Home / 38,730.51-58,084.13-13,767.28

Finding the Fourth Proportional to 38,730.51, 58,084.13 and 13,767.28

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Solution

The fourth proportional to 38,730.51, 58,084.13 and 13,767.28 is: 20,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,730.51 : 58,084.13 = 13,767.28 : x
  2. Step 2: Convert to fraction form
    38,730.51/58,084.13 = 13,767.28/x
  3. Step 3: Cross multiply
    38,730.51x = 58,084.13 × 13,767.28
  4. Step 4: Simplify right side
    38,730.51x = 799,660,370.47
  5. Step 5: Solve for x
    x = 799,660,370.47/38,730.51
  6. Step 6: Final answer
    x = 20,646.78

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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.