Home / 21,681.06-32,519.25-14,705.85

Finding the Fourth Proportional to 21,681.06, 32,519.25 and 14,705.85

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Solution

The fourth proportional to 21,681.06, 32,519.25 and 14,705.85 is: 22,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,681.06 : 32,519.25 = 14,705.85 : x
  2. Step 2: Convert to fraction form
    21,681.06/32,519.25 = 14,705.85/x
  3. Step 3: Cross multiply
    21,681.06x = 32,519.25 × 14,705.85
  4. Step 4: Simplify right side
    21,681.06x = 478,223,212.61
  5. Step 5: Solve for x
    x = 478,223,212.61/21,681.06
  6. Step 6: Final answer
    x = 22,057.19

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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.