Home / 21,247.06-31,808.28-14,899.94

Finding the Fourth Proportional to 21,247.06, 31,808.28 and 14,899.94

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Solution

The fourth proportional to 21,247.06, 31,808.28 and 14,899.94 is: 22,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,247.06 : 31,808.28 = 14,899.94 : x
  2. Step 2: Convert to fraction form
    21,247.06/31,808.28 = 14,899.94/x
  3. Step 3: Cross multiply
    21,247.06x = 31,808.28 × 14,899.94
  4. Step 4: Simplify right side
    21,247.06x = 473,941,463.50
  5. Step 5: Solve for x
    x = 473,941,463.50/21,247.06
  6. Step 6: Final answer
    x = 22,306.21

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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.