Home / 26,661.43-39,988.04-8,892.40

Finding the Fourth Proportional to 26,661.43, 39,988.04 and 8,892.40

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Solution

The fourth proportional to 26,661.43, 39,988.04 and 8,892.40 is: 13,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,661.43 : 39,988.04 = 8,892.40 : x
  2. Step 2: Convert to fraction form
    26,661.43/39,988.04 = 8,892.40/x
  3. Step 3: Cross multiply
    26,661.43x = 39,988.04 × 8,892.40
  4. Step 4: Simplify right side
    26,661.43x = 355,589,602.43
  5. Step 5: Solve for x
    x = 355,589,602.43/26,661.43
  6. Step 6: Final answer
    x = 13,337.23

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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.