Home / 28,536.22-42,806.76-7,476.18

Finding the Fourth Proportional to 28,536.22, 42,806.76 and 7,476.18

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Solution

The fourth proportional to 28,536.22, 42,806.76 and 7,476.18 is: 11,214.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,536.22 : 42,806.76 = 7,476.18 : x
  2. Step 2: Convert to fraction form
    28,536.22/42,806.76 = 7,476.18/x
  3. Step 3: Cross multiply
    28,536.22x = 42,806.76 × 7,476.18
  4. Step 4: Simplify right side
    28,536.22x = 320,031,042.98
  5. Step 5: Solve for x
    x = 320,031,042.98/28,536.22
  6. Step 6: Final answer
    x = 11,214.91

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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.