Home / 28,424.41-42,618.39-11,795.92

Finding the Fourth Proportional to 28,424.41, 42,618.39 and 11,795.92

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Solution

The fourth proportional to 28,424.41, 42,618.39 and 11,795.92 is: 17,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,424.41 : 42,618.39 = 11,795.92 : x
  2. Step 2: Convert to fraction form
    28,424.41/42,618.39 = 11,795.92/x
  3. Step 3: Cross multiply
    28,424.41x = 42,618.39 × 11,795.92
  4. Step 4: Simplify right side
    28,424.41x = 502,723,059.99
  5. Step 5: Solve for x
    x = 502,723,059.99/28,424.41
  6. Step 6: Final answer
    x = 17,686.31

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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.