Home / 28,242.38-42,363.56-9,774.38

Finding the Fourth Proportional to 28,242.38, 42,363.56 and 9,774.38

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Solution

The fourth proportional to 28,242.38, 42,363.56 and 9,774.38 is: 14,661.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,242.38 : 42,363.56 = 9,774.38 : x
  2. Step 2: Convert to fraction form
    28,242.38/42,363.56 = 9,774.38/x
  3. Step 3: Cross multiply
    28,242.38x = 42,363.56 × 9,774.38
  4. Step 4: Simplify right side
    28,242.38x = 414,077,346.21
  5. Step 5: Solve for x
    x = 414,077,346.21/28,242.38
  6. Step 6: Final answer
    x = 14,661.56

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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.