Home / 20,967.01-28,927.39-14,240.98

Finding the Fourth Proportional to 20,967.01, 28,927.39 and 14,240.98

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Solution

The fourth proportional to 20,967.01, 28,927.39 and 14,240.98 is: 19,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,967.01 : 28,927.39 = 14,240.98 : x
  2. Step 2: Convert to fraction form
    20,967.01/28,927.39 = 14,240.98/x
  3. Step 3: Cross multiply
    20,967.01x = 28,927.39 × 14,240.98
  4. Step 4: Simplify right side
    20,967.01x = 411,954,382.44
  5. Step 5: Solve for x
    x = 411,954,382.44/20,967.01
  6. Step 6: Final answer
    x = 19,647.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.