Home / 26,678.07-40,023.18-9,146.84

Finding the Fourth Proportional to 26,678.07, 40,023.18 and 9,146.84

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Solution

The fourth proportional to 26,678.07, 40,023.18 and 9,146.84 is: 13,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,678.07 : 40,023.18 = 9,146.84 : x
  2. Step 2: Convert to fraction form
    26,678.07/40,023.18 = 9,146.84/x
  3. Step 3: Cross multiply
    26,678.07x = 40,023.18 × 9,146.84
  4. Step 4: Simplify right side
    26,678.07x = 366,085,423.64
  5. Step 5: Solve for x
    x = 366,085,423.64/26,678.07
  6. Step 6: Final answer
    x = 13,722.34

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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.