Home / 21,286.02-31,929.01-5,703.22

Finding the Fourth Proportional to 21,286.02, 31,929.01 and 5,703.22

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Solution

The fourth proportional to 21,286.02, 31,929.01 and 5,703.22 is: 8,554.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,286.02 : 31,929.01 = 5,703.22 : x
  2. Step 2: Convert to fraction form
    21,286.02/31,929.01 = 5,703.22/x
  3. Step 3: Cross multiply
    21,286.02x = 31,929.01 × 5,703.22
  4. Step 4: Simplify right side
    21,286.02x = 182,098,168.41
  5. Step 5: Solve for x
    x = 182,098,168.41/21,286.02
  6. Step 6: Final answer
    x = 8,554.82

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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.