Home / 26,942.36-40,432-9,412.20

Finding the Fourth Proportional to 26,942.36, 40,432 and 9,412.20

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Solution

The fourth proportional to 26,942.36, 40,432 and 9,412.20 is: 14,124.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.36 : 40,432 = 9,412.20 : x
  2. Step 2: Convert to fraction form
    26,942.36/40,432 = 9,412.20/x
  3. Step 3: Cross multiply
    26,942.36x = 40,432 × 9,412.20
  4. Step 4: Simplify right side
    26,942.36x = 380,554,070.40
  5. Step 5: Solve for x
    x = 380,554,070.40/26,942.36
  6. Step 6: Final answer
    x = 14,124.75

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1.5x scale

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.