Home / 26,909.10-40,358.04-10,265.40

Finding the Fourth Proportional to 26,909.10, 40,358.04 and 10,265.40

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Solution

The fourth proportional to 26,909.10, 40,358.04 and 10,265.40 is: 15,395.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,909.10 : 40,358.04 = 10,265.40 : x
  2. Step 2: Convert to fraction form
    26,909.10/40,358.04 = 10,265.40/x
  3. Step 3: Cross multiply
    26,909.10x = 40,358.04 × 10,265.40
  4. Step 4: Simplify right side
    26,909.10x = 414,291,423.82
  5. Step 5: Solve for x
    x = 414,291,423.82/26,909.10
  6. Step 6: Final answer
    x = 15,395.96

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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.