Home / 20,999.04-31,476.96-14,403.84

Finding the Fourth Proportional to 20,999.04, 31,476.96 and 14,403.84

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Solution

The fourth proportional to 20,999.04, 31,476.96 and 14,403.84 is: 21,590.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,999.04 : 31,476.96 = 14,403.84 : x
  2. Step 2: Convert to fraction form
    20,999.04/31,476.96 = 14,403.84/x
  3. Step 3: Cross multiply
    20,999.04x = 31,476.96 × 14,403.84
  4. Step 4: Simplify right side
    20,999.04x = 453,389,095.53
  5. Step 5: Solve for x
    x = 453,389,095.53/20,999.04
  6. Step 6: Final answer
    x = 21,590.94

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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.