Home / 28,118.22-42,151.41-14,263.98

Finding the Fourth Proportional to 28,118.22, 42,151.41 and 14,263.98

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Solution

The fourth proportional to 28,118.22, 42,151.41 and 14,263.98 is: 21,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,118.22 : 42,151.41 = 14,263.98 : x
  2. Step 2: Convert to fraction form
    28,118.22/42,151.41 = 14,263.98/x
  3. Step 3: Cross multiply
    28,118.22x = 42,151.41 × 14,263.98
  4. Step 4: Simplify right side
    28,118.22x = 601,246,869.21
  5. Step 5: Solve for x
    x = 601,246,869.21/28,118.22
  6. Step 6: Final answer
    x = 21,382.82

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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.