Home / 28,916.66-43,348.35-10,186.49

Finding the Fourth Proportional to 28,916.66, 43,348.35 and 10,186.49

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Solution

The fourth proportional to 28,916.66, 43,348.35 and 10,186.49 is: 15,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,916.66 : 43,348.35 = 10,186.49 : x
  2. Step 2: Convert to fraction form
    28,916.66/43,348.35 = 10,186.49/x
  3. Step 3: Cross multiply
    28,916.66x = 43,348.35 × 10,186.49
  4. Step 4: Simplify right side
    28,916.66x = 441,567,533.79
  5. Step 5: Solve for x
    x = 441,567,533.79/28,916.66
  6. Step 6: Final answer
    x = 15,270.35

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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.