Home / 28,213.87-42,326.16-11,348.17

Finding the Fourth Proportional to 28,213.87, 42,326.16 and 11,348.17

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Solution

The fourth proportional to 28,213.87, 42,326.16 and 11,348.17 is: 17,024.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,213.87 : 42,326.16 = 11,348.17 : x
  2. Step 2: Convert to fraction form
    28,213.87/42,326.16 = 11,348.17/x
  3. Step 3: Cross multiply
    28,213.87x = 42,326.16 × 11,348.17
  4. Step 4: Simplify right side
    28,213.87x = 480,324,459.13
  5. Step 5: Solve for x
    x = 480,324,459.13/28,213.87
  6. Step 6: Final answer
    x = 17,024.41

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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.