Home / 28,127.99-42,257.60-16,449.41

Finding the Fourth Proportional to 28,127.99, 42,257.60 and 16,449.41

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Solution

The fourth proportional to 28,127.99, 42,257.60 and 16,449.41 is: 24,712.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,127.99 : 42,257.60 = 16,449.41 : x
  2. Step 2: Convert to fraction form
    28,127.99/42,257.60 = 16,449.41/x
  3. Step 3: Cross multiply
    28,127.99x = 42,257.60 × 16,449.41
  4. Step 4: Simplify right side
    28,127.99x = 695,112,588.02
  5. Step 5: Solve for x
    x = 695,112,588.02/28,127.99
  6. Step 6: Final answer
    x = 24,712.49

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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.