Home / 17,920.51-26,881.61-5,442.32

Finding the Fourth Proportional to 17,920.51, 26,881.61 and 5,442.32

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Solution

The fourth proportional to 17,920.51, 26,881.61 and 5,442.32 is: 8,163.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.51 : 26,881.61 = 5,442.32 : x
  2. Step 2: Convert to fraction form
    17,920.51/26,881.61 = 5,442.32/x
  3. Step 3: Cross multiply
    17,920.51x = 26,881.61 × 5,442.32
  4. Step 4: Simplify right side
    17,920.51x = 146,298,363.73
  5. Step 5: Solve for x
    x = 146,298,363.73/17,920.51
  6. Step 6: Final answer
    x = 8,163.74

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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.