Home / 28,943.28-43,420.08-10,234.18

Finding the Fourth Proportional to 28,943.28, 43,420.08 and 10,234.18

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Solution

The fourth proportional to 28,943.28, 43,420.08 and 10,234.18 is: 15,353.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,943.28 : 43,420.08 = 10,234.18 : x
  2. Step 2: Convert to fraction form
    28,943.28/43,420.08 = 10,234.18/x
  3. Step 3: Cross multiply
    28,943.28x = 43,420.08 × 10,234.18
  4. Step 4: Simplify right side
    28,943.28x = 444,369,006.99
  5. Step 5: Solve for x
    x = 444,369,006.99/28,943.28
  6. Step 6: Final answer
    x = 15,353.10

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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.