Home / 28,364.24-42,560.72-11,736.20

Finding the Fourth Proportional to 28,364.24, 42,560.72 and 11,736.20

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Solution

The fourth proportional to 28,364.24, 42,560.72 and 11,736.20 is: 17,610.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364.24 : 42,560.72 = 11,736.20 : x
  2. Step 2: Convert to fraction form
    28,364.24/42,560.72 = 11,736.20/x
  3. Step 3: Cross multiply
    28,364.24x = 42,560.72 × 11,736.20
  4. Step 4: Simplify right side
    28,364.24x = 499,501,122.06
  5. Step 5: Solve for x
    x = 499,501,122.06/28,364.24
  6. Step 6: Final answer
    x = 17,610.24

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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.