Home / 28,606.10-42,898.62-9,881.33

Finding the Fourth Proportional to 28,606.10, 42,898.62 and 9,881.33

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Solution

The fourth proportional to 28,606.10, 42,898.62 and 9,881.33 is: 14,818.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,606.10 : 42,898.62 = 9,881.33 : x
  2. Step 2: Convert to fraction form
    28,606.10/42,898.62 = 9,881.33/x
  3. Step 3: Cross multiply
    28,606.10x = 42,898.62 × 9,881.33
  4. Step 4: Simplify right side
    28,606.10x = 423,895,420.76
  5. Step 5: Solve for x
    x = 423,895,420.76/28,606.10
  6. Step 6: Final answer
    x = 14,818.36

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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.