Home / 28,010.06-42,010.77-12,424.94

Finding the Fourth Proportional to 28,010.06, 42,010.77 and 12,424.94

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Solution

The fourth proportional to 28,010.06, 42,010.77 and 12,424.94 is: 18,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,010.06 : 42,010.77 = 12,424.94 : x
  2. Step 2: Convert to fraction form
    28,010.06/42,010.77 = 12,424.94/x
  3. Step 3: Cross multiply
    28,010.06x = 42,010.77 × 12,424.94
  4. Step 4: Simplify right side
    28,010.06x = 521,981,296.60
  5. Step 5: Solve for x
    x = 521,981,296.60/28,010.06
  6. Step 6: Final answer
    x = 18,635.49

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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.