Home / 28,839.51-43,266.69-9,863.91

Finding the Fourth Proportional to 28,839.51, 43,266.69 and 9,863.91

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Solution

The fourth proportional to 28,839.51, 43,266.69 and 9,863.91 is: 14,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839.51 : 43,266.69 = 9,863.91 : x
  2. Step 2: Convert to fraction form
    28,839.51/43,266.69 = 9,863.91/x
  3. Step 3: Cross multiply
    28,839.51x = 43,266.69 × 9,863.91
  4. Step 4: Simplify right side
    28,839.51x = 426,778,736.16
  5. Step 5: Solve for x
    x = 426,778,736.16/28,839.51
  6. Step 6: Final answer
    x = 14,798.40

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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.