Home / 28,943.02-43,414.57-10,212.89

Finding the Fourth Proportional to 28,943.02, 43,414.57 and 10,212.89

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Solution

The fourth proportional to 28,943.02, 43,414.57 and 10,212.89 is: 15,319.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.02 : 43,414.57 = 10,212.89 : x
  2. Step 2: Convert to fraction form
    28,943.02/43,414.57 = 10,212.89/x
  3. Step 3: Cross multiply
    28,943.02x = 43,414.57 × 10,212.89
  4. Step 4: Simplify right side
    28,943.02x = 443,388,227.81
  5. Step 5: Solve for x
    x = 443,388,227.81/28,943.02
  6. Step 6: Final answer
    x = 15,319.35

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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.