Home / 26,634.13-39,940.81-9,985.08

Finding the Fourth Proportional to 26,634.13, 39,940.81 and 9,985.08

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Solution

The fourth proportional to 26,634.13, 39,940.81 and 9,985.08 is: 14,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,634.13 : 39,940.81 = 9,985.08 : x
  2. Step 2: Convert to fraction form
    26,634.13/39,940.81 = 9,985.08/x
  3. Step 3: Cross multiply
    26,634.13x = 39,940.81 × 9,985.08
  4. Step 4: Simplify right side
    26,634.13x = 398,812,139.43
  5. Step 5: Solve for x
    x = 398,812,139.43/26,634.13
  6. Step 6: Final answer
    x = 14,973.72

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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.