Home / 19,070.82-28,609.29-5,920.11

Finding the Fourth Proportional to 19,070.82, 28,609.29 and 5,920.11

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Solution

The fourth proportional to 19,070.82, 28,609.29 and 5,920.11 is: 8,881.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,070.82 : 28,609.29 = 5,920.11 : x
  2. Step 2: Convert to fraction form
    19,070.82/28,609.29 = 5,920.11/x
  3. Step 3: Cross multiply
    19,070.82x = 28,609.29 × 5,920.11
  4. Step 4: Simplify right side
    19,070.82x = 169,370,143.82
  5. Step 5: Solve for x
    x = 169,370,143.82/19,070.82
  6. Step 6: Final answer
    x = 8,881.11

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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.