Home / 28,346.49-42,520.14-10,817.28

Finding the Fourth Proportional to 28,346.49, 42,520.14 and 10,817.28

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Solution

The fourth proportional to 28,346.49, 42,520.14 and 10,817.28 is: 16,226.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,346.49 : 42,520.14 = 10,817.28 : x
  2. Step 2: Convert to fraction form
    28,346.49/42,520.14 = 10,817.28/x
  3. Step 3: Cross multiply
    28,346.49x = 42,520.14 × 10,817.28
  4. Step 4: Simplify right side
    28,346.49x = 459,952,260.02
  5. Step 5: Solve for x
    x = 459,952,260.02/28,346.49
  6. Step 6: Final answer
    x = 16,226.07

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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.