Home / 21,003.04-31,482.96-14,407.84

Finding the Fourth Proportional to 21,003.04, 31,482.96 and 14,407.84

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Solution

The fourth proportional to 21,003.04, 31,482.96 and 14,407.84 is: 21,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,003.04 : 31,482.96 = 14,407.84 : x
  2. Step 2: Convert to fraction form
    21,003.04/31,482.96 = 14,407.84/x
  3. Step 3: Cross multiply
    21,003.04x = 31,482.96 × 14,407.84
  4. Step 4: Simplify right side
    21,003.04x = 453,601,450.41
  5. Step 5: Solve for x
    x = 453,601,450.41/21,003.04
  6. Step 6: Final answer
    x = 21,596.94

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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.