Home / 28,206.06-42,311.90-10,441.47

Finding the Fourth Proportional to 28,206.06, 42,311.90 and 10,441.47

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Solution

The fourth proportional to 28,206.06, 42,311.90 and 10,441.47 is: 15,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,206.06 : 42,311.90 = 10,441.47 : x
  2. Step 2: Convert to fraction form
    28,206.06/42,311.90 = 10,441.47/x
  3. Step 3: Cross multiply
    28,206.06x = 42,311.90 × 10,441.47
  4. Step 4: Simplify right side
    28,206.06x = 441,798,434.49
  5. Step 5: Solve for x
    x = 441,798,434.49/28,206.06
  6. Step 6: Final answer
    x = 15,663.25

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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.