Home / 21,095.28-31,607.76-14,844.12

Finding the Fourth Proportional to 21,095.28, 31,607.76 and 14,844.12

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Solution

The fourth proportional to 21,095.28, 31,607.76 and 14,844.12 is: 22,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.28 : 31,607.76 = 14,844.12 : x
  2. Step 2: Convert to fraction form
    21,095.28/31,607.76 = 14,844.12/x
  3. Step 3: Cross multiply
    21,095.28x = 31,607.76 × 14,844.12
  4. Step 4: Simplify right side
    21,095.28x = 469,189,382.37
  5. Step 5: Solve for x
    x = 469,189,382.37/21,095.28
  6. Step 6: Final answer
    x = 22,241.44

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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.