Home / 28,333.03-42,498.67-7,272.22

Finding the Fourth Proportional to 28,333.03, 42,498.67 and 7,272.22

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Solution

The fourth proportional to 28,333.03, 42,498.67 and 7,272.22 is: 10,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.03 : 42,498.67 = 7,272.22 : x
  2. Step 2: Convert to fraction form
    28,333.03/42,498.67 = 7,272.22/x
  3. Step 3: Cross multiply
    28,333.03x = 42,498.67 × 7,272.22
  4. Step 4: Simplify right side
    28,333.03x = 309,059,677.95
  5. Step 5: Solve for x
    x = 309,059,677.95/28,333.03
  6. Step 6: Final answer
    x = 10,908.11

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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.