Home / 21,628.62-32,430.78-6,841.26

Finding the Fourth Proportional to 21,628.62, 32,430.78 and 6,841.26

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Solution

The fourth proportional to 21,628.62, 32,430.78 and 6,841.26 is: 10,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,628.62 : 32,430.78 = 6,841.26 : x
  2. Step 2: Convert to fraction form
    21,628.62/32,430.78 = 6,841.26/x
  3. Step 3: Cross multiply
    21,628.62x = 32,430.78 × 6,841.26
  4. Step 4: Simplify right side
    21,628.62x = 221,867,397.98
  5. Step 5: Solve for x
    x = 221,867,397.98/21,628.62
  6. Step 6: Final answer
    x = 10,258.05

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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.